Police in the English city of Birmingham declared a "major incident" after reports that a number of people were injured in stabbings early on Sunday.
"We can confirm that at approximately 12:30am today we were called to reports of a stabbing in Birmingham city centre," West Midlands Police said in a statement.
"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."