Seven men have been charged with grievous bodily harm after two people were allegedly assaulted outside the Iranian embassy during a protest.
Officers had responded to reports of an altercation in Princes Gate in Knightsbridge, west London, shortly after 09:50 BST on Friday, the Metropolitan Police said.
The officers intervened and additional police were deployed to the scene.
Two men, aged 37 and 39, were taken to hospital with serious but not life-threatening injuries, a Met spokesperson said.
Eight people were arrested in connection with the incident, including the 39-year-old who had been taken to hospital.
