A man is in custody after an “ax attack” yesterday at the main train station in Dusseldorf, Germany. According to The Guardian, as many as five people were injured at a train station in the attack.

A spokesperson for North Rhine-Westphalia state police told NBC News that the suspect injured himself when he jumped off a bridge while trying to escape.

“We were at the track waiting for the train. The train arrived, and suddenly someone jumped out with an ax and struck at the people,” a witness told Bild, a German newspaper. “There was blood everywhere.”

Political tensions have been high in Germany with a rise in populism parties, specifically the far-right, anti-Islam party, Alternative for Germany, polling ahead of some of its mainstream competitors, according to the New York Times. Lately Chancellor Angela Merkel has faced criticism over her controversial open migration policy, and speculation mounts that she could lose the upcoming federal election.

According to Bild, the suspect randomly attacked four or five people with the ax. The attack is not described as being related to terrorism or the political climate. Police haven’t released any further details or possible motives.