Islamic State supporters celebrate deadly attack in France on social media

French police forces and forensic officers stand next to a truck that ran into a crowd celebrating the Bastille Day national holiday on the Promenade des Anglais in Nice, France, July 14. REUTERS/Eric Gaillard

CAIRO (Reuters) - Supporters of Islamic State celebrated on social media an attack in France by a truck that ran into crowds watching a fireworks display on the Bastille Day national holiday, killing at least 73 people and injuring 100.

"The number of those killed had reached 62 french crusaders and sinful infidels in Nice, France.. God is great, God is great," read one tweet.