"Those living or visiting the area will understandably be concerned by this incident and we will have extra officers patrolling the area throughout the morning and into the coming days," she said.
The event, which has been held every summer since 1972, usually draws thousands of people.
LONDON, Aug. 12 (Xinhua) -- A mass shooting in the British city of Manchester wounded 10 people Sunday morning, local authorities said.
She said officers are trying to establish exactly where this incident took place and who is responsible for such a "dangerous" attack.
Greater Manchester Police said at around 2:50 a.m. (0150 GMT) it received a report of gunshots heard on Claremont Road in the Moss Side area.
Detective Superintendent Debbie Dooley said: "We currently have a number of people in hospital all being treated for different injuries but thankfully most do not appear to be life-threatening at this time."
Photo taken on Aug. 12, 2018 shows the scene of the mass shooting occurring in the Moss Side area, Manchester, Britain. A mass shooting in the British city of Manchester wounded 10 people Sunday morning, local authorities said. (Xinhua/Ed Sykes)
Dooley said the Caribbean Carnival was held in the area but was finished several hours prior to this incident occurring, which is why there were still a lot of people.