Pforzheim (dpa / lsw) – After a suspected knife attack at the Pforzheim motorway service station, a truck driver has been taken into custody. The 49-year-old is suspected of attempted manslaughter, police and prosecutors said on Tuesday. The man is said to have gotten into an argument with a van driver on the outside of the service area on Sunday night and attacked him with a knife. A passerby provided first aid before the 18-year-old was seriously injured and taken to a hospital. Police arrested the suspect at the scene. The Ukrainian national has not yet provided any information about the incident.