According to leading Italian ANSA news agency, Amri was killed earlier Friday in a shootout at Sesto San Giovanni district in Milan after he was stopped by the police officials for identity control.

Various investigative sources told ANSA that Amri pulled his gun from his bag instead of showing his identity to the police and was shot dead after opening fire on police. 

He was identified on the basis of his appearance and fingerprints, anti-extremism sources in Milan told ANSA. 

Meanwhile, the Corriere della Sera newspaper said that a train ticket found on the dead body of the individual showed a taken voyage from France to Italy. Amir was believed to have entered Italy via France. 

Italian Interior Minister Marco Minniti confirmed that the individual was Amri. 

On Monday, Amri, 24, with the truck attack killed at least 12 people and injured nearly 50 others at the market near the historical Kaiser Wilhelm Memorial Church in German capital Berlin. 

While the ISIL extrem group has claimed responsibility for the attack, no concrete details have emerged about who was responsible.