Police have been called to the London Stadium after violence broke out during West Ham's Europa Conference League Clash with Anderlecht.
The officers stood between fans of the two clubs as fighting broke out in the stands, with a flare being thrown between the opposing groups.
Reports in the Sun suggest a riot Police officer was injured, and that a pitch invasion took place.
More to follow.
Police have entered the London stadium now on mass after Anderlecht fans continued to throw flares and seats pic.