(Reuters) -Five people were killed after two recreational boats collided head-on in a Georgia river on Memorial Day weekend, and one of the drivers was arrested for boating under the influence, authorities in the U.S. state said on Sunday. Two people were confirmed deceased immediately following the crash on Saturday morning, Georgia’s Department of Natural Resources said. Four passengers were injured and transported to a hospital, while three others were declared missing, it added. Georgia and U.S. Coast Guard divers recovered the three victims’ bodies on Sunday from the bottom of the Wilming…