joni barwick says hers exploded on her nightstand, filling her home with smoke. >> the smoke was unbearable, black, thick smoke. >> reporter: she knew about the issue, but -- >> we were told to wait for the replacement. >> reporter: the government is urging owners not to turn on their phones or even to charge them. when it comes to enforcing that say it would be up to passengers under the honor system to comply. tom? >> thank you. >>> from connecticut, two crowded balconies collapsing. more than two dozen students treated for injuries. as eva pilgrim reports, it's just the latest of a number of incidents like it in which students were hurt. >> reporter: chaos at an off-campus house party in connecticut. >> we have three balconies that collapsed. and people are trapped underneath. >> reporter: the third-story deck crashing down just after 11:00 p.m., in the middle of the crowded party, landing on the porch below. then all collapsed onto the first floor. dozens trapped. >> we were getting reports of people scattered, and there was just debris on top of people. >> reporter: most, students at n