Stars Angelina Jolie and Richard Madden were evacuated along with other cast and crew members after a bomb turned up during filming of the upcoming Marvel superhero movie “The Eternals,” the U.K. publication The Sun reported.

The incident reportedly took place on the Canary Island Fuerteventura. The report notes that the Nazis had a base on the Spanish island in World War II, speculating that the device may date from that period.

The article reports that “panic quickly spread during shooting … and everyone was ordered back to a safe distance.”

One insider who was on the set is quoted saying: “It was obviously terrifying — the bomb could have been there for decades untouched but who knows what might have happened if it was disturbed.

“Some of the biggest stars in the world were on set and nobody was taking any chances. Fortunately, experts dealt with it.”