Mönchengladbach (dpa / lnw) - After the attack on a 27-year-old pedestrian in a park in Mönchengladbach, the police are looking for witnesses. The 27-year-old was hit, kicked and critically injured by three people on Sunday night. The police set up a homicide squad. Investigators are hoping for clues, including details about the suspect's appearance, age and clothing. The time of the crime has not yet been determined, a police spokeswoman said on Monday. The victim was able to call a friend by cell phone after the attack. According to the police, she brought the seriously injured man home and the mother then drove the young man to the hospital. There he was operated on. At times there was danger to life.