Gelsenkirchen (dpa / lnw) – At the exit of an inner-city tunnel in Gelsenkirchen, an unknown person threw a pavement slab at a car on Tuesday morning. The windshield of the car was partially smashed by the plate, but the 31-year-old driver was unharmed, the police and prosecutors said. Police are investigating attempted murder and are looking for witnesses. The incident happened around 5:30 a.m. The background was not immediately known.