Wireless woes in Boston

The aftermath of the deadly explosions that ripped through the Boston Marathon overwhelmed wireless networks, which struggled to complete calls and process messages.

Contrary to initial reports from The Associated Press and elsewhere, law enforcement did not shut down the system to prevent another detonation by wireless device. The AP later retracted that claim. Still, congestion proved debilitating for many wireless users trying to contact loved ones. At one point, the Massachusetts Emergency Management Agency offered a plea over Twitter: "If you are trying to reach friends or family and can't get through via phone, try [texting] instead (less bandwidth)." A Federal Communications Commission spokeswoman said the agency is working with the Department of Homeland Security and top wireless carriers to address the difficulties. Some of the nation's largest wireless carriers acknowledged disruptions.