Hamburg (dpa / lno) - Two senior citizens hit a tree and a traffic sign with their car in Hamburg-Niendorf.

As the police announced, both the 78-year-old driver and his 70-year-old passenger were injured on Monday evening.

The cause of the accident was initially unclear.

According to the police, it may be an operator error.

© dpa-infocom, dpa: 210504-99-457130 / 2