The attack occurred in Milan
The students are taught how to perform a Muslim prayer
Benjamin Herman was a criminal who converted to Islam in prison, then last May he murdered three people, including two police officers while shouting "Allahu Akbar"
Three people were injured during the attack
Man threatened passers-by with knife in hand
The event is being treated as an attempted terrorist murder, say Belgium's federal prosecutors
Venice Mayor instructed police to shoot
He was carrying bag filled with petrol and shotgun cartridges