October 19, 2016 1:50 pm Coast Guard Rescues Missing Swimmer After Two Hours of Treding Water Two experienced swimmers who went missing in Ipswich, Massachusetts, are recovering Wednesday morning and officials say one of them treaded water for more than two hours. US & World Videos 4:41 Parents sue over AI chatbot they say encourages children to harm themselves and others 1:51 Strong gas odor wafting from Chelsea to Winthrop 8:10 Heavy rain and strong winds impact travel 1:55 Scammers targeting shoppers with coupon scams this holiday season 2:32 Concession workers at Boston's TD Garden to vote on whether to strike