German authorities intercepted the accused teen trio at Frankfurt airport and put them on a plane back to the U.S., where they were greeted by FBI agents.
Washington -- one of the world's most secure cities -- is reacting cautiously to the shootings inside Canada's Parliament building.
There were "several shooting incidents in downtown Ottawa, including "numerous gunmen," police say. Details are still unfolding, but a soldier was shot at Canada's War Memorial.
A World War II German U-boat, sunk during the Battle of the Atlantic more than 72 years ago, has been discovered off the coast of North Carolina, the National Oceanic and Atmospheric Administration announces.
An 11-foot python was found in a pipe at a construction site in South Florida. WSVN has more on this story.