The fatal shooting at a San Diego mosque this week comes amid a rise of incidents of hate or prejudice against Muslims in the U.S. The attack also renewed attention on how young people are radicalized online and prevention efforts.

At about 11:40 local time, Nawal A-Nouri received a WhatsApp message, notifying her of an active shooter at her seven-year-old daughter's school at the Islamic Center of San Diego - where two gunman o...

The two teen suspects, identified as 17-year-old Cain Clark and 18-year-old Caleb Vasquez, died from self-inflicted gunshots — just minutes away from the Islamic Center of San Diego, according to inve...