North West Ambulance Service says it is at the scene of a major incident in Crumpsall, north Manchester, following reports of a stabbing at a synagogue.
A statement said: “Following reports of an incident on Middleton Road in Crumpsall, the trust has dispatched resources to the scene.
“We are currently assessing the situation and working with other members of the emergency services.
“Our priority is to ensure people receive the medical help they need as quickly as possible.”