Police say at least one person in custody, urge public to stay away; local news outlets report several fatalities

After gunmen massacre worshipers at Poway and Pittsburgh, US congregations learning how to hide, flee and fight back against attackers

Kyle Kashuv met with Trump and spoke at the NRA, then had his spot in the Ivy League rescinded for making anti-Semitic and bigoted remarks two years ago

Publisher forced to pull book that claimed killings didn't happen, apologize to families after claim by father of Jewish victim murdered in school massacre

Shooter, said to be disgruntled city employee, opens fire at municipal building; six wounded, including police officer

Amid growing pressure after New Zealand mosque attacks, Facebook, Google and Twitter pledge to pursue new measures designed to keep platforms from being used to spread hate

Teenage suspects are former students, not known to authorities; attack occurs in district adjacent to Columbine

Jewish community of sunny California suburb grapples with disbelief and the conviction that they, too, are targets after Chabad attack

Unusual joint session of Pennsylvania lawmakers held a day after mayor signs new gun control measures; survivors of the deadly shooting also in attendance