The police immediately deployed a large squad with helicopters and arrested the man behind the Old Synagogue. He had already parked his car there. A witness had discovered the car and alerted the police […] The incident in Essen also affected Ulm in Baden-Württemberg, hundreds of kilometres away: According to the police, armed forces had been stationed there in several places in the city centre. Passers-by were asked to leave the city centre. In order to prevent incidents similar to those in Essen and to guarantee security, the Ulm police headquarters decided to temporarily increase their presence in the city centre, according to a statement. 

https://searchlight-germany.blogspot.com/2019/03/essen-auto-jihad-muslim-amok-driver-has.html