Shark bites man boating off Florida coast, leaving him in critical condition

YULEE, Fl. — A shark attack off Florida's east coast left a man aboard a boat with a "severe bite to his right arm" on Friday, according to authorities. The Nassau County Sheriff's Office Marine Unit found the victim with a critical injury when they responded to the shark attack at about 11:15 a.m. local time, the sheriff's office said in a social media post. The shark bit the man's forearm and he was losing blood, authorities said. "Acting swiftly, a deputy boarded the vessel and applied a tourniquet to...