(Updated at 6:30 p.m.) Metro Transit Police have stepped up patrols in response to this afternoon’s deadly explosions at the Boston Marathon.
“Metro Transit Police Chief Ronald Pavlik has ordered all day-shift patrol officers to remain on duty through this evening’s rush hour to increase the security posture of the transit system,” Metro said in a press release. “Metro is taking this step in an abundance of caution. There is no specific or credible threat against the Metro system at this time.”