Associated Press French police officer Arnaud Beltrame who exchanged himself for a hostage in a terror attack at a supermarket in Trèbes, southern France, has died in hospital. Interior Minister Gérard Collomb said he 'died for his country' and praised his 'heroism and bravery.' Brings the death toll to four. The police officer who exchanged himself for a hostage during a supermarket siege in southern France on Friday has died in hospital. Lieutenant Colonel Arnaud Beltrame, 45, died overnight of gunshot wounds, Reuters reports.See the rest of the story at Business InsiderNOW WATCH: I quit cable for DirecTV Now and it's saving me over $1,000 a year — here's how I did itSee Also:The gunman who killed 3 people in a French terror attack has been shot deadThe armed terrorist who took hostages in France reportedly demanded the release of Europe's most notorious jihadistMark Zuckerberg has been summoned to explain the Cambridge Analytica scandal to Parliament — more proof this is now a personal crisisSEE ALSO: The gunman who killed 3 people in a French terror attack has been shot dead