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TULARE COUNTY, Calif. (KGTV) -- Three Cal Fire firefighters based in San Diego were injured after the engine they were riding in flipped over, ABC30 reports. The incident happened around 8:30 a.m. near Avenue 56 and Road 250 in rural Tulare County, the station reports. The driver of the engine reportedly lost control, causing the vehicle to flip over and injuring four firefighters. Three firefighters were injured and taken to the hospital following the rollover. Cal Fire says two of the firefighters have since been released while the third will remain in the hospital overnight for observation. The crew is based in San Diego and were heading home from battling the Creek Fire when the crash took place. 719

TRUCKEE, California — A furry four-legged visitor has been caught on camera entering a law enforcement facility.The California Highway Patrol says a black bear wandered into their Donner Pass Commercial Vehicle Enforcement Facility on the night of November 17.It didn't appear the furry fella needed much help either. The bear easily stands on its hind legs to open the door and then reverts back to all fours as it enters to apparently inspect the facilities vending machines.Donner Pass shared the video of the 'breaking and entering' on their Facebook page.    586

US President Donald Trump personally asked Chinese President Xi Jinping to help in the case of three American college basketball players accused of shoplifting last week, a White House official said.The three UCLA freshmen -- LiAngelo Ball, Cody Riley and Jalen Hill -- were arrested last week?while their team was in Hangzhou ahead of the team's season opener in Shanghai. They've been questioned about stealing sunglasses from a Louis Vuitton store near their hotel.UCLA's trip coincided with Trump's two-day state visit to the Chinese capital, Beijing. The official added that President Xi said he would look into it. 638

Twitter CEO Jack Dorsey says "we're ready to question everything" about the social networking site that has been overrun by spam, abuse and misinformation.Dorsey says he and his team are working extensively behind the scenes to stamp out some of the harassment and hate speech that has generated bad headlines lately.But it is a long-term effort, he says, and he is reluctant to commit to an exact timetable for certain changes to Twitter's foundation.In twelve years, "we've changed a lot. But we haven't changed the underlying fundamentals," Dorsey told CNN in an in-depth interview at the company's headquarters on Friday.The basic fundamentals are what he is examining now. For instance: What does Twitter incentivize its users to do?"Every product decision we make is 'telling' them to do something," Dorsey said.So he is thinking about how to help users follow topics and hashtags, not just people."We are aware of some of the silos and how we're isolating people by only giving them crude tools to follow accounts. We need to broaden our thinking and get more back to an interest-based network," he said.Related: Twitter's Jack Dorsey: 'We are not' discriminating against any political viewpointDorsey is also rethinking how follower counts and "likes" on posts are displayed, because the race to gain followers and likes may encourage outrageous behavior.His view is that Twitter needs to be much more "transparent" and open about its actions. But that transparency, some of which was on display during Dorsey's media tour this month, means asking questions without actually answering them.Among the questions Dorsey asked in the CNN interview: "How do we earn peoples' trust?" and "How do we guide people back to healthy conversation?"While he may get credit for asking big, philosophical questions about how his site operates, Dorsey remains vulnerable to criticism about Twitter's inaction.He responded to that by saying "we are taking a lot more action than we ever have in the past." But much of the action is invisible to users, he asserted.For example: The disabling of bot networks and other suspicious accounts. Dorsey said Twitter challenges "10 million accounts every single week to see if they're automations or humans," and takes action accordingly.But Twitter's stock plunged last month when its quarterly earnings report showed a decline in user growth, which the company attributed to its efforts to clean up the site, akin to gardeners removing weeds.Nonetheless, Dorsey is committed to what he calls "conversational health" -- the quality of an exchange on Twitter -- which he is trying to measure with the help of two research groups. He said investors should take a look at the long-term trends: "We see this as necessary and right and we believe in it and we have conviction around it, and we'll take the hit in the short term."Related: Twitter is purging suspicious accounts from your follower countHe also asserted that "over the short term, a lot of this work is invisible, and over the long term, it starts to add up."As for some of the specific changes, like a rethinking of the like button, Dorsey was reluctant to talk about a timeline."We're looking and thinking about all these things right now," he said. So: By the end of the year? "I worry about a time frame like that," he said, "because we also need to take into consideration -- we're a small company. I mean we, in comparison with our peers, we're a small company, but we have this outsized impact and I believe, importance."Later, he added, "We have to understand first the problem we're trying to solve, like what incentives we actually want to drive; not just what we want to remove, but what we want to drive." But he said he knows he wants incentives "that encourage people to talk and to have healthy conversation." 3824

Twitter says it will begin removing misinformation about COVID-19 vaccinations from its site. That includes false claims that the virus is not real, debunked claims about the effects of receiving the vaccine. It will also remove baseless claims suggesting immunizations and vaccines are used to intentionally cause harm or to control people. Twitter said in a blog post on Wednesday that it will start enforcing the new policy next week. If people send tweets in violation of the rules, they will be required to delete them before they are able to tweet again. Before the offending tweet is removed, Twitter will hide it from view.Starting early next year, Twitter said it may label tweets that advance "unsubstantiated rumors, disputed claims, as well as incomplete or out-of-context information about vaccines" but may not be removed, instead be linked to "authoritative public health information" on the social media company's rules page that'll "provide people with additional context and authoritative information about COVID-19." 1043