German police say a man attacked and slightly injured four people with an axe on a long-distance train in southern Germany before he was detained by police.

A man on a long-distance train in southern Germany attacked and slightly injured four people with a hammer before he was detained by police, authorities said. Police in Straubing said the attack happened on an ICE express train headed to the Austrian capital, Vienna, while it was between Straubing and Plattling in the southern state of Bavaria.