In Germany, a man attacked passengers on a train from Hamburg to Vienna with an unknown object. According to initial information from local police, he injured four people. The perpetrator was stopped by passengers before police arrived, reports the German news agency dpa.

The attack occurred as the train carrying around 500 passengers passed Strasskirchen, southeast of the city of Regensburg in Bavaria.

According to police, the suspected attacker is a 20-year-old Syrian man who allegedly used a hammer in the attack, but the motive for the attack is not yet clear.

The attack injured at least four passengers, who are already receiving medical care.

The perpetrator was stopped by passengers before the police arrived, and he was seriously injured.