Two men - dressed in black - can be seen fighting with a third who is wearing light-coloured trousers during the brawl on the A4 westbound near Heathrow on Monday.
Heathrow, a global travel hub, says it expects about 82.4 million passengers to travel through the airport this year, despite the possibility of strike-related delays.
The stellar trading figures for the three months to March 31 – traditionally a quiet season for the sector – compare against losses of £60 million a year ago
Staff at Heathrow airport are set to strike on the early bank holiday in May, with their union warning planes could be "delayed, disrupted and grounded".
Europe's busiest airport posted an £189million pre-tax profit for the opening three months of 2024, compared to a £60million loss during the same period last year.