Police received a complaint on Thursday that British security guards had manhandled students and parents, and called them "bloody Indians" as they tried to enter the school.

"As a film unit and as individuals, we respect all religions and human beings, " Pitt, the film's producer, said."It is unthinkable that anyone would have uttered [these] things . . . but if any misunderstanding has been caused, we apologise for it, " he added.

Pitt and Jolie are in India shooting A Mighty Heart based on the life and death of Daniel Pearl, an American journalist kidnapped and murdered in 2002 in Pakistan by Islamist militants.