The Sun claims that while waiting to board the British Airways (BA) flight in Terminal 5, the American passengers got into a fight when one of them requested the other to take off the red hat, which is worn by Trump supporters.
According to the publication, when the woman with the cap resisted, punches were thrown back and the two were removed off the aircraft.
Officers at the airport were alerted to an incident just after 12.45 p.m. on Monday, the Metropolitan Police informed Sky News.
Counter-allegations of affray were made by two women, one in her 40s and the other in her 60s.
