UPDATE 1-U.S. sues AT&T over data throttling on some smartphone plans
October 28, 2014 at 13:54 PM EDT
WASHINGTON, Oct 28 (Reuters) - The U.S. government filed a lawsuit against AT&T Inc on Tuesday, alleging the No. 2 U.S. wireless carrier sold consumers unlimited data plans but would slow their Internet down once they used a certain amount of data.