Some say it casts doubt on intelligence-sharing with Washington and the security of joint military operations.

Top Senate Democrats wrote a letter to President Donald Trump seeking more information about reports that his cabinet members ...

The American Red Cross of San Diego and Imperial Counties and the Oceanside Fire Department are offering free smoke alarm ...

A journalist's account of being added to a chat of U.S. security officials raised questions about how sensitive information ...

NBC Bay Area business and tech reporter Scott Budman breaks down what to know about Signal, the messaging app where a journalist says he was accidentally texted details of a planned United States ...

A faulty fire alarm sensor caused the evacuation alarms to go off the morning of March 26 at Salida Middle School.