A shark has killed a 21-year-old surfer off a beach west of Mexico's Acapulco resort, less than a month after another fatal shark attack in the area. Osvaldo Mata Valdovinos died after his left hand was bitten off and his leg broken by the shark, officials said. Friends swimming with him at Pantla beach near Zihuatanejo saw a 2m (6ft) shark pull him underwater, police … [Read more...]