Gendarmes salute the hearse of the hero officer Arnaud Beltrame outside the Pantheon in Paris, France on March 28, 2018. Amid rains, a ceremony was held on Wednesday at the military museum Les Invalides in Paris to pay tribute to the hero officer Arnaud Beltrame, who died of serious wounds he got when he voluntarily swapped himself for a female hostage during an attack on a supermarket in Trebes, southern France, on Friday. (Xinhua/Chen Yichen)