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SAN DIEGO (KGTV) -- Authorities are resuming their search Thursday morning for actress Naya Rivera who disappeared while boating on Lake Piru with her young son.The Ventura County Sheriff's Department tweeted that Rivera may have drowned. Later Thursday, authorities began a recovery effort, saying they believed Rivera had drowned.The 33-year-old actress rented a boat at the lake with her 4-year-old son Wednesday afternoon, authorities told media. Staff at the lake found the overdue rental with her child on board but could not find Rivera.Ventura County Sheriff’s Department Cpt. Eric Buschow told the Los Angeles Times that the boy and Rivera got out of the boat for a swim but she did not follow him back onto the boat. The boy was found sleeping on the boat alone by other boaters in the lake, Buschow said.Buschow said Rivera's son is safe with family members.Rivera, from Santa Clarita, earned stardom after her breakthrough role as cheerleader Santana Lopez on the television musical "Glee." According to her biography, Rivera appeared in commercials for retailer Kmart as a baby then broke into acting at the age of four when she starred as Hillary Winston in the television sitcom "The Royal Family."Rivera recently appeared on YouTube Premium’s “Step Up” series.Tragedy struck the former cast of the hit television show twice over the last decade. Former "Glee" star Cory Monteith, 31, was found dead in a hotel room in Vancouver, British Columbia, in July 2013. Monteith's death was ruled an accidental drug overdose due to a toxic mix of heroin and alcohol. In January 2018, 35-year-old Mark Salling, known for playing "Puck," was found in a Los Angeles riverbed weeks before he was to be sentenced on charges of possessing child pornography. Salling's death was ruled a suicide.Stay with ABC 10News for updates on this developing story. 1865

SAN DIEGO (KGTV) — As temperatures warm up, there is some early research suggesting air conditioning units could increase the risk of spreading COVID-19.One team of researchers swabbed several kinds of air conditioning units and found traces of the virus on one out of every four samples.One of the authors, University of Oregon professor Dr. Kevin Van Den Wymelenberg, said the research “does give us some pause.”Air conditioning units bring in little outside air, particularly when temperatures are very hot, posing a risk that viral particles could be recirculated into rooms, Van Den Wymelenberg said.However, just because the study found traces of the virus in A/C units, it doesn’t prove people can actually get sick from the contaminated air because it’s not yet clear how many viral particles it takes to infect someone, he noted.“Nobody knows what that minimum threshold is so we need to take as many precautions as possible,” he said.Dr. Edward Nardell, a professor in the Departments of Environmental Health and Immunology and Infectious Diseases at the Harvard T.H. Chan School of Public Health, said air conditioning units can generate air currents that can carry large particles farther, similar to what researchers found contributed to the spread of the novel coronavirus disease in an air-conditioned restaurant in Guangzhou, China."You are not socially distanced as much, but you're re-breathing the same air that someone else just exhaled," Nardell said. "We call it rebreathed air fraction, and if someone is infectious, often asymptomatic, you're going to be rebreathing their small particles."This week, a group of 239 scientists from 32 countries asked the World Health Organization to update its COVID-19 guidance to reflect that the virus is airborne.On Thursday, the WHO released updated guidance acknowledging that airborne transmission can’t be ruled out, but stopped short of confirming that the virus spreads through the air.Instead, the WHO said the virus primarily spreads through droplet transmission, where larger particles come out of an infected person’s mouth, then fall quickly to the ground or onto surfaces. In airborne transmission, the particles stay floating for a long time.“I think they’re underweighting the importance of this airborne route based on the best available information,” said UC Berkeley Professor Emeritus William Nazaroff, one of the signatories of the letter to the WHO.He said in a poorly ventilated room, particles might linger for 30 minutes to an hour.Scientists say one of the best ways to protect yourself is to open windows, to increase the circulation of fresh air.Scientists say upgraded air filters in AC units and standalone air purifiers could also help.Germicidal lamps may also be effective, Nardell said. The technology is almost 100 years old, and has been proven effective in protecting against tuberculosis infection.The lamps, which shine ultraviolet light, are set up to shine horizontally, high up in the room to kill floating pathogens.Nardell said the technology can be deployed cheaply and easily in a number of settings.Additional reporting by Lauren Rozyla at WFTS 3159

SAN DIEGO (KGTV) - Catholic Charities San Diego is holding a workshop Saturday for young Dreamers affected by the DACA program uncertainty.Katia Ortiz is one of them. She said her parents brought her to the U.S. from Mexico when she was three. She said she has no recollection of where she was born.“It was really tough,” Ortiz said about feeling left out. She said she could not travel on class trips, she could not get a driver’s license and she could not apply for a college scholarship. She said DACA opened a lot of doors for her. “I got a job, and I got my license,” she explained. She also said she started attending college. Earlier this month, President Trump called to cut the program in March."It’s like you have everything and then it’s gone," Ortiz added.  "It’s tough thinking about, but I think what we all have to do is sit down and reflect."Frankly, at this time, I really don’t know what I would do."Catholic Charities San Diego helped about 700 people obtain DACA status, the group said. They said U.S. Citizenship and Immigration Services will continue processing pending initial application accepted as of Sept. 5, 2017 and pending renewal applications already filed. They went on to say USCIS will continue accepting renewal applications until Oct. 5, 2017 from applicants whose DACA expires between Sept. 5, 2017 and March 5, 2018. As it stands, all applications after Oct. 5, 2017 will be rejected.The group is holding free, bilingual information sessions, followed by one-on-one assessments.Those who qualify will be given an appointment to work with an accredited Catholic Charities staff member to complete their renewal application the next day.Scholarships are also available to cover the 5 application fee.Saturday's workshop was at St. Jude's Shrine of the West, 3785 Boston Ave.The next sessions will be:Tuesday, Sept. 19, at 6 p.m. at Holy Trinity Parish, 405 Ballard St., El Cajon.Wednesday, Sept. 20 at 6:30 p.m. at Mission San Luis Rey, 4050 Mission Ave., OceansideThursday, Sept. 28 at 6:30 p.m. at Our Lady of the Sacred Heart, 4177 Marlborough Ave., San Diego 2159

SAN DIEGO (KGTV) - As President Trump continues his call for a wall along the U.S. border with Mexico, experts say the one already in place is doing an excellent job at deterring illegal immigration.San Diego has had some form of a "wall" for decades. On a tour in June with 10News Anchor Steve Atkinson, Rodney Scott, the Chief of the Customs and Border Protection San Diego Sector, said a lot has changed in the last 20 years."I would argue during the 90s the extreme was total lawlessness," Scott said. "The fence behind me was chain link, riddled with holes."Scott described working as an agent and watching large crowds of people gather near the fence at twilight. They would then run across en masse once it got dark."There was a green flag to come out, and they would all rush when the sun went down," he said.That started to change in the later part of the decade.In 1993, then-President Bill Clinton signed Operation Gatekeeper into law. It was one of three operations to add infrastructure and technology to the border to help curb illegal immigration. Gatekeeper led to the start of the fence that's in place now.CBP says it led to a 75% drop in illegal immigration arrests over the next few years.But Scott said he still saw people making their way across, primarily through the area of the Tijuana River Estuary."Even up until the early 2000s, if you were standing here at night you would have seen little bonfires all over this area," he said. "There were trails as wide as cars, and that was purely from foot traffic."The next wave of border security started in 2006 when President George W. Bush signed the Secure Fences Act. It called for nearly 700 miles of physical fencing along the southern border.Government numbers show the flow of illegal immigrants peaked in the U.S. in 2006, with more than 1,000,000 arrests. In 2018, that number had gone down to around 396,000."That basically started closing the border," said Dr. Alejandra Castaneda, a leading researcher on immigration and the border for El Colegio de la Frontera Norte in Tijuana."Clinton started it, but it was really the Bush administration, especially after 9/11. And then the Obama Administration simply continued that project and finished it," she said.Castaneda said the wall built during that time was meant to be imposing."I think a lot of people in the U.S. that don't live at the border don't know that there is already a wall," she said.Because of Gatekeeper and Secure Fences, right now the U.S.-Mexico border in San Diego has 12 miles of double fencing that stretches from the coast to the Otay Mesa Port of Entry. After that, there are another 43 miles of "primary" fencing into and through the mountains in the eastern part of the county.Scott said the San Diego Sector has become the blueprint for the rest of the border."I call this our proof of concept," he says. "We've proved that border security works. And this is, by far, the most secure part of the U.S. border anywhere in the country." 3000

SAN DIEGO (KGTV) -- Businesses near the border say they’re taking a hit because of the chaos at the border, and it couldn’t come at a worse time.Just blocks from the border, a local business owner says his shop is normally buzzing with shoppers.Owner Jamie Gonzales says sales have taken a hit from the border crisis. “We had to shut down business yesterday,” said Gonzales.RELATED: Commuters in turmoil after migrants rush borderHe has three stores that all closed yesterday. Not a single customer in sight. 90 percent of his workers are from Tijuana and couldn’t get there.He says business has been down 40 percent in the last month. It couldn’t have come at a worse time.RELATED: More troops being sent to California border“With all this uncertainly our business has been impacted in a bad way the Christmas season.” Many business owners in the area also say they’re struggling due to the crisis at the border. 931

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