German media said police had arrested the perpetrator and that the victims were men.

A German national attacked passengers with a knife at a train station in the Munich area in southern Germany early on Tuesday, leaving one dead and many with life-threatening injuries, Bavarian radio reported.

German media said police had arrested the perpetrator and that the victims were men. Police were not immediately reachable for comment when contacted by Reuters.

Germany, which is playing a supporting role in the fight against ISIS, has not suffered a major attack by extremist militants the like of which neighboring France and Belgium have experienced.

Witnesses said the assailant, a 27-year-old man, shouted “Allahu Akbar” (‘God is Greatest’ in Arabic), according to police.

“The perpetrator made remarks during the attack which point to there being a political motive,” Bavarian police said in a statement, adding he had been arrested and there were no further suspects.

A 50-year-old died of stab wounds in hospital shortly after the attack. The other stabbed men, aged between 43 and 58, sustained lighter injuries, police said.

The attack took place at about 5 am local time (0300 GMT) at the train station at Grafing, a commuter town about 32 km (20 miles) southeast of the Bavarian capital in southern Germany.

Ministers have repeatedly warned an attack is possible and German security services are on alert.

Over 800 home-grown radicals have left Germany to join extremist groups in Syria and Iraq and about 260 have returned.

Germany has also been a transit country for militants who carried out attacks in Belgium this year and Paris last year. There are concerns that some of the more than 1 million migrants who arrived in the country last year have slipped off officials’ radar.

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