Islamic State Message to Americans: "We Will Drown All of You in Blood"
Description:Video from the Islamic State uploaded to a social media website on Monday sends a message from its fighters to Americans. It reads: "We will drown all of you in blood." The militant group has warned that it will attack Americans anywhere if U.S. airstrikes hit Islamic State militants. Recent U.S. airstrikes on northern Iraq have helped Iraqi and Kurdish forces recapture territory that was seized by the Islamist militants.(0:43)