An attacker with an axe terrorizes train passengers in Wurzberg, Germany - photo by EPA
A teenage attacker brandishing an axe and a knife injured four people on a train that was running between Treuchlingen and Wurzburg in Germany at 21:15 before being shot dead by police, reports say.

Bavarian Interior Minister Joachim Herrmann said the attacker was a 17-year old Afghan refugee who came to Germany as an unaccompanied minor and had been living in Ochsenfurt, a town nearby.

There are reports that the attacker shouted, "Allahu Akbar!" beforehand, but officials have not yet disclosed a motive for the attack.

to brandish (verb) - to swing around in an excited and threatening manner
to run - to go on a schedule (as in a public vehicle)
an unaccompanied minor - a young person travelling without parents or a guardian

motive (noun) - reason for doing something
disclosed - told to people; revealed
Blood stains on a train in Wurzberg, Germany after an axe attacker injured four people - photo by EPA