Officers have confirmed a number of people have been injured but their conditions are currently unknown.
In a statement West Midlands Police said: “We can confirm that at approximately 12:30am today we were called to reports of a stabbing in Birmingham city centre.
“We immediately attended, along with colleagues from the ambulance service.
“A number of other stabbings were reported in the area shortly after.
“We are aware of a number of injured people, but at the moment we are not in a position to say how many or how serious.
“However, all emergency services are working together at the scene, and making sure that those who are injured receive medical care.”
More to follow…