Police in London, U.K., are reporting that a vehicle collided with pedestrians in the northern part of the city.
The Metropolitan Police say a collision happened at about 12:20 a.m. local time and "casualties being worked on at the scene."
Officials haven't released how many people were injured, but witnesses have told U.K. media outlets that between three and 10 people were injured.
"We have sent a number of ambulance crews, advance paramedics and specialist responses teams to the scene," a statement from London Ambulance said. "An advance trauma team from London's Air Ambulance has also been dispatched by car."
The Muslim Council of Britain said a van hit worshippers as they were leaving a nearby mosque.