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SAN DIEGO (KGTV) - Neighbors said the officer-involved-shooting in the South Crest area of San Diego, all started with a machete attack between acquaintances. It was a frightening scene on Boston Avenue Wednesday afternoon. A man was seen lying on the street, clutching his bloody head. Neighbors said he was beaten over the head with a machete. According to San Diego Police, the first 911 call came in at around 5:15 pm.RELATED: Police investigating fatal officer-involved shooting in Southcrest10News spoke to a man who lives at the home where the attack happened. He said the attacker is his sister's boyfriend. He said the boyfriend came over to the house and got into an argument with a family friend over a dog chain. The boyfriend then grabbed a machete and began striking the victim over the head, then to the rest of his body. First responders soon took the victim to the hospital for non-life-threatening injuries.After the attack, witnesses said they saw the attacker run westbound on Boston Ave., then north onto 40th street. That is where a San Diego Police officer confronted him. The officer first fired a taser to try to mitigate the situation. However, the department spokesperson said the taser was deemed "ineffective." The officer then shot the attacker at least once. He was pronounced dead at the hospital.Those who know the machete-wielding man said he is usually a nice person. But he had been acting up lately. Neighbors said they saw him swinging around a bat a day before the attack. While they knew he had violent tendencies, no one thought it would escalate to this level.  1631

SAN DIEGO (KGTV) — Nearly three-quarters of the students in San Diego County are currently learning from home, and those numbers don’t make a lot of sense to MIT professor Martin Bazant.Bazant is one of the creators of the COVID-19 Indoor Safety Guideline. The free online tool simulates the fluid dynamics of respiratory droplets in various kinds of rooms to show users the risk of different indoor environments.“If you run the numbers for a typical classroom, especially if the students and the teachers are wearing masks, then the amount of time in the room can be very significant,” Bazant said. “Essentially those people could spend a week in the classroom and not have a problem.”Bazant says the six-foot rule that has largely determined which businesses can stay open is overly simplistic. In some cases, he says the rule creates a false sense of security. In other situations, he says it causes the closure of businesses or schools that could safely operate.“If you place nursing home beds six feet apart in a shared room, they are absolutely not safe,” he said. But he said well-ventilated classrooms, with teachers and students in masks, are another story.“It's only the United States where we follow the six-foot rule. That's given by the CDC. The World Health Organization all along has been saying one meter, which is about three feet. If you simply followed the one-meter rule, all our schools would be open, as they are in most of the world right now,” he said.Bazant and his colleague John Bush said they set out to design a tool that would reveal the risk of transmission based on science, not guesswork.Users start by selecting a room type, like a classroom or an airplane. From there, they can control a wide array of variables to dial in the risk, like the room size, the ceiling height, and the ventilation and filtration systems.From there, users can further tune the model by human behavior. How many people are in the room? Are they whispering, shouting or singing? How many are wearing masks?Mask usage is a critical component, Bazant says. The model quickly reveals the challenges of maskless activities in rooms with poor ventilation. Put five people without masks in a 400 square foot room with closed windows, and it becomes unsafe after 33 minutes.Bazant says studies on super spreader events show in indoor environments, the distance from an infected person doesn’t matter. Infected droplets spread and mix throughout the room like second-hand smoke from a cigarette.But with masks trapping droplets and diverting them upwards like a chimney, an environment like an airplane could be safe for several hours, according to the model. With more than 95% of the passengers and crew wearing surgical masks, a Boeing 737 could support 200 people -- around full capacity depending on the configuration -- for 18 hours. 2850

SAN DIEGO (KGTV) -- Police Monday identified the victim in a deadly Mount Hope-area shooting in late December. According to police, 54-year-old Darryl Toliver was shot and killed in an alleyway on the 800 block of Raven Street around 2:45 a.m. December 29. Witnesses told police and unknown man and two vehicles were spotted leaving the area around the time of the shooting. RELATED: 1 dead in Mount Hope-area shootingThe man was described as black and in his 20s, wearing a dark cap, long-sleeved white sweatshirt and dark sweat pants. Police said at the time that the man was only a person of interest. One of the vehicles spotted leaving the scene was described as a white, 1990s Honda Accord while the other was described as a 2006-2010 Chrysler 300. Anyone with information on this incident is urged to call the Homicide Unit at 619-531-2293 or Crime Stoppers at 888-580-8477. 889

SAN DIEGO (KGTV) -- Police are searching for a man they say shot someone outside a liquor store in San Diego’s Mountain View neighborhood Saturday night.According to police, the incident happened on the 3700 block of Ocean View Boulevard at 10:10 p.m.Police say the suspect approached the 45-year-old man while at the liquor store and started an argument. During the argument, the suspect pulled out a gun and shot the 45-year-old before walking away.The victim was taken to the hospital with non-life threatening injuries by his mother. The suspect was only described as a black man wearing glasses, a black hoodie and baggy blue jeans. 645

SAN DIEGO (KGTV) - More than 75,000 homes in San Diego are in areas that pose a "high" or "extreme" risk of wildfire, according to a new study by CoreLogic.That's the third most homes in the US, behind only Los Angeles and Riverside.In San Diego, the study found that it would cost .81 billion to rebuild all those homes.The news comes as San Diego, and California as a whole, are in the midst of a relatively tame wildfire season. According to Cal Fire, there have been 4,9267 wildfires so far this year. That's well below the pace of the last two years, when there were 7,571 fires in 2018 and 9,133 fires in 2017.Similarly, the amount of land burned by the fires is down in 2019. So far, 117,586 acres have been scorched. In 2018, the total number was 1,671,203 acres. In 2017, 1,240,606 acres were burned.Cal Fire says cooler temperatures and higher than normal humidity caused the number of wild fires to drop this year."When humidity is up, the fire doesn't burn as aggressively as it could if they were lower," says Cal Fire Captain Isaac Sanchez. "That's played a big factor for us this year."But, Sanchez warns that people shouldn't look at the low numbers and think the risk is also low. He says the next few months will have prime conditions for a devastating fire."We've seen the hottest days we're going to see, the temperatures have been warm, the humidity has been low," says Sanchez. "So the fuels that are in the hillsides right now are receptive to fires."Sanchez says people should remain fire-ready. That means clearing 100 feet of defensible space around your home, having an evacuation plan and taking extra precautions against anything that could spark a wildfire.For more information on preparing, visit readysandiego.org. 1759

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