A bus carrying elderly passengers has hit a rubbish truck in Baden-Württemberg, southwestern Germany, according to local media. A woman was killed in the accident and more than 30 people were injured.

The front of the bus was completely smashed after it hit a truck on the A5 highway near Karlsruhe on Wednesday. The crash claimed the life of a 30-year-old tour guide and left at least 31 wounded. Two critically injured seniors are among the victims.

The passengers reportedly started their tour in Bayreuth, Bavaria, and planned to travel to France, Bild reports.

The crash has caused traffic jams on the highway, where roadworks had already restricted the the flow of traffic. The cause of the crash is not yet clear.

+ Unfall mit Reisebus - ein Toter und 30 Verletzte https://t.co/cUwdYtkNHVpic.twitter.com/uzTuhLZMbt — ntv (@ntvde) June 27, 2018