Four men in their in their 20s have been found with stab wounds in north London, the Metropolitan Police said.
Officers were called to reports of a fight on Fraser Road, Edmonton, at 17:55 GMT.
Police said they were waiting for updates on the condition of the men, who were all taken to hospital for treatment.
On Saturday, two men and a teenage boy were injured in a shooting in Edmonton.
A shotgun was fired twice into a minicab they were sitting in on Gordon Road.
One passenger’s injuries were described as “potentially life-changing”.