President Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE on Sunday morning praised a police officer who died after he swapped places with a hostage during an attack by a gunman affiliated with the Islamic State in Iraq and Syria (ISIS) in southern France.

“France honors a great hero. Officer died after bravely swapping places with hostage in ISIS related terror attack,” Trump tweeted.

“So much bravery around the world constantly fighting radical Islamic terrorism. Even stronger measures needed, especially at borders!” he added.

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France honors a great hero. Officer died after bravely swapping places with hostage in ISIS related terror attack. So much bravery around the world constantly fighting radical Islamic terrorism. Even stronger measures needed, especially at borders! — Donald J. Trump (@realDonaldTrump) March 25, 2018

Lt. Col. Arnaud Beltrame, 45, died Saturday, one day after he was shot in the neck after he took the place of a woman being held hostage by the gunman, according to multiple news outlets.

French President Emmanuel Macron hailed Beltrame’s actions, saying in a statement that the officer “died a hero.”

Two others were killed after the gunman, Radouane Lakdim, stormed a supermarket in Trèbes and took hostages. The suspect also killed one person earlier in the day while stealing a car, CNN and other news organizations reported.