FBI Not Investigating 'Awful' Letters Sent To California MosquesTwo more mosques have received the same hate letter that was sent to an Islamic center in San Jose and two mosques in Southern California.
Man On Flight From Oakland Allegedly Threatens To Blow Up PlaneA Southwest Airlines passenger was arrested Tuesday afternoon at Oakland International Airport after he allegedly threatened to blow up a plane bound for Baltimore.
Man Demanding Free Food Threatens To Kill Concord Restaurant CashierA man threatened to kill a restaurant cashier who did not give him free food in Concord.
Central Valley Boy Arrested After Creepy Clown ThreatPolice say a 16-year-old Central Valley boy has been arrested in connection with a school threat linked to the national creepy clown trend.
Death Threat Called Against SFPD Officers At Ingleside StationSan Francisco police on Thursday are investigating a threat called in overnight against officers.
Hackers Among New Threats To Rio Games VisitorsTech experts now have a word of warning for travelers taking smartphones and tables with them to the Rio Games.
Man Threatens To Shoot San Francisco Police If There Are More Officer ShootingsA threatening phone call to shoot police officers was received at the Mission Police Station Monday morning.
San Francisco Developing Plan To Mitigate Threat Of Rising Sea LevelsSan Francisco city agencies are developing a plan to deal with rising sea levels, which are expected to pose a threat to an estimated $75 billion in public and private assets by the year 2100.
ISIL Supporters Threaten Twitter's Jack Dorsey & Facebook's Mark ZuckerbergA new video allegedly created by Islamic State supporters is going after Facebook's Mark Zuckerberg and Twitter's Jack Dorsey.
Fairfield Student Accused Of Threatening Police Officer, Assistant PrincipalFairfield police arrested a Rodriguez High School student Wednesday after he allegedly threatened a police officer and the assistant principal on the campus.
Twitter To Clamp Down On Violent, Hateful Content By Banning, Or Suspending UsersTwitter has revised its rules to emphasize that it will suspend or ban users who issue violent threats or espouse hateful conduct, at a time when critics have called for the social media service to adopt a harder line against extremist groups.
SFUSD: Campuses Are Safe Amid Threats To Los Angeles, NYC SchoolsFollowing a reported threat that led to the closure of all schools in the Los Angeles Unified School District on Tuesday, San Francisco police and school district officials said that no threats have been made locally but that officers will increase their presence in and around campuses as a precaution.

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