<p>A layer of ice on the Aroostook River in Caribou, Maine broke away and floated downstream on April 21, prompting flood warnings for the northeastern town of Washburn.</p><p>The National Weather Service issued the warning</a> on Saturday. This drone footage, filmed by eyewitness Paul Wolfe, shows a view of the ice jam from above. Credit: Paul Wolfe via Storyful</p><br />
