Day After Bombings, Nation Remains On Alert

Source: Laura Petrecca and Kevin McCoy / USA Today

NEW YORK — Commuters took trains and buses to work. Families sent kids to school. Runners headed to public parks for jogs. While Americans cautiously eased back into their routines, cities nationwide bolstered security in the wake of the devastating Boston Marathon explosions.

Cities including New York, Chicago, Los Angeles, Seattle, Atlanta and Washington have increased their police presence in busy areas. They’ve ramped up security at transportation hubs, adding uniformed police officers and K-9 units, and have asked residents to remain vigilant.

Atlanta’s transit system, MARTA, says it’s “exercising an abundance of caution” and heightening security. The New York Police Department bolstered security at hotels and other prominent locations, such as its subway system.

“We have 1,000 members of the NYPD assigned to counterterrorism duties, and they – along with the entire NYPD and the investments we have made in counter-terrorism infrastructure – are being fully mobilized to protect our city,” Mayor Michael Bloomberg said in a written statement.

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