US | mass transit DC Launches Mass Transit Terror Drill Metro will be scene of simulated mass-casualty attacks By Rob Quinn Posted Feb 2, 2010 2:52 AM CST Copied A sign that reads 'Security Alert' is on display as Metro Rail riders depart a subway station in Washington, DC. (Getty Images) Commuters at one of Washington Metro's busiest stations are being met today by dozens of transit police officers and bomb specialists as part of the system's biggest-ever security drill. "There is no immediate or credible threat" to the Metro, a spokeswoman tells the Washington Post. "We want to stay a step ahead." Today's operation will be followed by a series of drills in the coming weeks simulating mass-casualty attacks like the one on the London Underground in 2005 and in Mumbai in 2008. The Metro's newly beefed-up security teams include a 20-member anti-terrorism unit formed in January that conducts random patrols. "We want to be unpredictable and keep people off guard," said a transit police chief. Read These Next Beyonce leaves national anthem unfinished. A Texas man's disappearance is fodder for true-crime mania. Cancer claims the life of an MLB champ at 44. See the best BBQ cities in the US. Report an error