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SAN YSIDRO, Calif. (KGTV and AP) -- As the migrant caravan approaches the U.S.-Mexico border, several lanes in San Ysidro and Otay Mesa will close so new equipment can be installed.According to U.S. Customs and Border Protection, at least three northbound lanes in San Ysidro and one in Otay Mesa will close until after the caravan arrives.The closures are an effort by the Department of Defense to install concertina wire, and pre-positioning jersey barriers, barricades, and fencing as requested by CBP under Operation Secure Line. 551

SEATTLE (AP) — U.S. scientists said Friday they will investigate why an unusual number of gray whales are washing up dead on West Coast beaches.About 70 whales have been found dead so far this year on the coasts of California, Oregon, Washington and Alaska, the most since 2000. About five more have been discovered on British Columbia beaches. That's a very small fraction of the total number of whales believed to have died, because most simply sink and others wash up in such remote areas they're not recorded.NOAA Fisheries on Friday declared the die-off an "unusual mortality event," providing additional resources to respond to the deaths and triggering the investigation."Many of the whales have been skinny and malnourished, and that suggests they may not have gotten enough to eat during their last feeding season in the Arctic," agency spokesman Michael Milstein told reporters during a conference call.The eastern North Pacific gray whales were removed from the endangered species list in 1994, after recovering from the whaling era.The population has grown significantly in the last decade and is now estimated at 27,000 — the highest since surveys began in 1967. That has raised questions about whether their population has reached the limit of what the environment can sustain. Another theory suggests that the loss of Arctic sea ice due to global warming is a culprit.The whales spend their summers feeding in the Arctic before migrating 10,000 miles (16,000 km) to winter off Mexico. Though they eat all along their route, they are typically thinning by the time they return north along the West Coast each spring.They eat many things, but especially amphipods, tiny shrimp-like creatures that live in sediment on the ocean floor in the Arctic. For many years, researchers noted that fewer calves tended to be born following years when the ice in the Chukchi Sea, north of the Bering Strait between Alaska and Russia, was late to melt. The whales had less time to feast because they couldn't access the feeding area, and thus had less blubber to sustain them on their next migration.Last year, though, the Artic was unusually warm. The whales weren't blocked from the feeding area, and yet are still struggling this year. That has scientists wondering if the loss of sea ice has led to a loss of algae that feed the amphipods. Surveys show the amphipod beds moving farther north, said Sue Moore, a biological oceanographer at the University of Washington."The sea ice has been changing very quickly over the last decade or so," she said. "The whales may have to shift to other prey, such as krill or other things they eat."In an average year, about 35 whales wash up in the U.S.In 2000, more than 100 did, prompting NOAA to declare an "unusual mortality event" then as well. The resulting investigation failed to identify a cause. The die-off followed strong changes in ocean conditions in the mid-1990s, suggesting that warmer water patterns affected the availability of prey, but scientists were often unable to perform necropsies, Moore said."It's sometimes very difficult to get to these whales in a timely fashion," she said. "You can't always get the kind of samples you would need for diagnostic reasons."Since then, researchers have built up an improved network of volunteers and have better educated the public to help report and respond to whale deaths, said Deborah Fauquier, veterinary medical officer at NOAA's Office of Protected Resources. This time around, scientists have been able to perform necropsies on 20 of the whales, she said.John Calambokidis, a research biologist with the Cascadia Research Collective, noted that as the whales search farther afield for food, they've entered areas where they're not normally seen so often, including San Francisco Bay and Puget Sound. That puts them at higher risk of being struck by ships or entangled in fishing gear.Four of the 10 gray whales found dead near San Francisco this year were struck by ships, and a number of shipping companies have slowed their vessels in the area to avoid collisions. 4086

SEATTLE (AP) — Scientists say an orca who raised worldwide concern when she carried her dead calf for 17 days and more than 1,000 miles almost two years ago is pregnant. The Seattle Times reports Southall Environmental Associates scientist John Durban and marine mammal research director for the nonprofit SR3 Holly Fearnbach recently finished recording drone images of the endangered southern residents and discovered pregnancies amid the J, K, and L pods. According to SR3, whale pregnancies typically last 17-18 months.Pregnancies are not unusual but Tahlequah's pregnancy carries special meaning for a region that grieved the death of her calf along with her. The southern residents are struggling to survive, and most pregnancies are not successful.SR3 says the unsuccessful pregnancies are due to lack of food and nutrition and there are only 73 whales in population. 881

SAN YSIDRO, Calif. (KGTV) -- Four juveniles were taken into custody early Wednesday morning after police said they sprayed a 7-Eleven clerk with a fire extinguisher and then proceeded to steal several items from the store.San Diego police said the incident happened at around 3:30 a.m. at a store on Cottonwood Road, near San Ysidro Boulevard, in San Ysidro.According to police, four juveniles entered the store and sprayed the clerk with a fire extinguisher before grabbing items such as alcohol and food.Officers responding to the incident spotted the group and pursued them on foot. The juveniles were eventually caught and taken into custody.Officers recovered the fire extinguisher and some of the items that were taken down the street from the store. 764

Seattle Mayor Jenny Durkan told protesters occupying several city blocks they are in no danger of being invaded by the federal government despite comments from President Donald Trump saying he is ready to “take back” the city.The protesters, who have seized control of Seattle’s East Precinct police station, are pushing the city to make significant reforms to policing. After days of unrest, at times becoming violent, the protests have largely not been violent since protesters have declared the area an “autonomous zone.”The protesters are among those calling for police reforms in the wake of George Floyd's death. While Durkan and city officials in Seattle are hopeful for a peaceful resolution with the demonstrators, Trump tweeted that if Durkan doesn’t regain control of the city, he would.“Radical Left Governor @JayInslee and the Mayor of Seattle are being taunted and played at a level that our great Country has never seen before,” Trump tweeted. “Take back your city NOW. If you don’t do it, I will. This is not a game. These ugly Anarchists must be stopped IMMEDIATELY. MOVE FAST!”Durkan responded, “Clearly, unfortunately, our president wants to tell the story of domestic terrorists who have a radical agenda or promoting a conspiracy that fits his law and order agenda. It is simply not true.”Durkan said that the city has worked with protesters to allow for access to city services for the area's 500 residents.“The right to challenge government and authority is who we are as Americans,” Durkan said. "The threat to invade Seattle to divide and insight violence in our city is not only unwelcomed, it is illegal.”Police Chief Camren Best and several other police officials said they have visited the protest zone, and checked on the condition of the police station. Best said she was fully aware that other police stations were destroyed by looters and rioters, but said she allowed for fences around the station to come down to build trust with the protesters.But the protests, Best said, have been responsible for significantly slowing police response to parts of Seattle's East Precinct. Best said police response time to calls of service was on average 15 minutes, which is three times longer than normal.“If that is your mother, your sister, your cousin, your neighbor’s kid that is being raped, robbed, assaulted and otherwise victimized, you’re not going to want to have to report that it took the police three times longer to get there to provide services to them," Best said.But Best said she too wants to give the protesters a chance to have their voices heard, as Best said that police departments are often “on the wrong side of good.”“We have to acknowledge a long history of abuses,” she said. 2734