Threat Leads To Evacuation Of Philadelphia Navy Yard; All-Clear Given Shortly Thereafter

Police in Philadelphia say their investigation turned up "no credible threat" following a scare at the Navy Yard.

U.S. Navy facilities in Philadelphia were briefly evacuated Tuesday after receiving a threat, reports CNN.

The security level at the Navy Yard in Philadelphia was raised to its highest level after the FBI informed the Navy of a threat. The threat was said to be aimed at Naval Station Activity Philadelphia, which supports logistics and supplies.

Non-essential...