BART Station Closure at 16th St. Mission due to Police Department Activity. http://t.co/t6L6Gtia5d — 511 Bay Area (@511SFBay) June 21, 2015

Stn closure at 16TH due to police activity. — SFBARTalert (@SFBARTalert) June 21, 2015

SAN FRANCISCO (KGO) -- BART officials say the 16th and Mission Street station in San Francisco has reopened after a threat prompted its closure Sunday afternoon.Authorities say a passenger overheard someone threaten to blow up a southbound train. The station was evacuated and closed at about 3:30 p.m. while police investigated and bomb-sniffing dogs worked the scene.Service was also halted between the Civic Center and 24th and Mission street stations.The station reopened around 4:20 p.m. BART officials say one person is in custody.