A man armed with a knife attacked synagogue visitors in Manchester, United Kingdom, Sky News reports. The incident occurred Thursday at around 9:30am local time, at Heaton Park Synagogue.

According to eyewitnesses, the perpetrator first drove a car into a crowd of people, then attacked them with a knife. Police quickly arrived at the scene and opened fire on the suspect. He is presumed dead.

According to preliminary data, four people were injured in the attack. The crime scene is cordoned off. Manchester authorities have advised residents to avoid the area.