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Ian McKellen has been taken to a hospital after falling off stage during a performance of Player Kings in London’s West End, the BBC reports. His exact injuries are not known, but his rep Claire Dobbs tells Deadline he “is doing OK.”

According to BBC, McKellen, who portrays John Falstaff, lost his footing during a battle scene involving the Prince of Wales and Henry Percy, when he fell off the front of the stage. The house lights came up as McKellen cried out in pain, according to the news outlet, and staff rushed to help him.

The evening’s show was canceled and the audience was sent home.

Player Kings began its 12-week West End run in April.

The BBC spoke to an audience member who described the incident as “very shocking.” “I really hope that he is going to be alright,” Sandro Trapani said.

With a career spanning more than six decades, the 85-year-old McKellen has received a Tony Award, six Olivier Awards, a Golden Globe Award, two Oscar nominations, five BAFTA Awards and five Emmy Awards. A British cultural icon, McKellen was knighted by Queen Elizabeth II in 1991.

Baz Bamigboye contributed to this report.