French hero officer who swapped himself for hostage dies

TREBES, France — A French police officer who offered himself up to an Islamic extremist gunman in exchange for a hostage died of his injuries, raising the death toll in the attack to four, and the officer was honored Saturday as a national hero of "exceptional courage and selflessness."Col. Arnaud Beltrame was among the first officers to respond to the attack on the supermarket in the south of France on Friday.Beltrame, who first took his place among the elite police special forces in 2003