Officials connected to a central phone service said they got an anonymous call threatening an unspecified location.
A suspicious device found on the liberal arts campus of Long Beach Community College was deemed safe Thursday.
Evacuations were underway Wednesday in a San Bernardino neighborhood after police located an explosive device.
Authorities say the discovery of an old inert military projectile led deputies to evacuate a portion of a Jurupa Valley neighborhood.
A 66-year-old Costa Mesa man pleaded not guilty Wednesday to being in possession of materials used to make bombs.
A local contractor with help from an Inland Empire community got home builders, electricians and plumbers to donate about $75,000 worth of a free remodel to make a home accommodating for a Marine injured in Afghanistan.
An arson and explosives unit was sent to check out of a suspicious backpack on a bus in Koreatown Saturday evening.
A 27-year-old Los Angeles man is being held in an Inglewood jail without bail for possession of an improvised explosive device, authorities said.
Authorities have reportedly apprehended the homeless man suspected of setting off a homemade explosive device next to a Santa Monica Jewish center in Cleveland.