The Metropolitan Police said officers responded to reports of a fight in Knightsbridge shortly after 9.50am on Friday.
Two men involved in an altercation outside the embassy in Prince’s Gate, which borders Hyde Park, were taken to hospital.
The men, aged 37 and 39, sustained serious but not life-threatening injuries.
Eight men were arrested in connection with the incident, including the injured 39-year-old.
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Seven of them were charged with causing grievous bodily harm with intent, a spokesperson for the force said.
The men, who are all Iranian nationals, have been remanded into custody to appear at Westminster Magistrates’ Court on Monday.
Those charged are: Mohammad Nadiri, 30, of Islington; Pourrezaei Vahid, 41, of Cricklewood; Armin Hasanlov, 35, of Liverpool; Esmaeil Balouchy, 50, of Brentford; Saeed Hosseingholipoor, 34, of Mitcham; Farzin Suleimani, 31, of Birmingham; Aref Yazdan Parast, 31, of Isleworth.
The Metropolitan Police previously said the incident is thought to have involved both “pro and anti-Iranian” government protesters.
The force imposed conditions to stop protesters from gathering in the area until 1pm on Sunday.
