The PyeongChang Olympic Stadium. (SeongJoon Cho/Bloomberg)

An intruder twice invaded the stage at the Olympic Opening Ceremonies in PyeongChang, South Korea, on Friday.

A spectator slid down an icy chute serving as a backdrop to the main stage. He first approached a performer singing a historic Korean folk song, then dancers during a portion celebrating Korea’s technological innovation, before he was wrestled away by event security.

No performers were harmed during the disruption.

“It was a Korean spectator and he was removed from the stadium as soon as he was taken off the stage,” an Olympic spokesperson told Agence France-Presse. “He is currently not in police custody but the police are investigating the situation.”

Computers at the Main Press Center and the PyeongChang Olympic website were also attacked by an unidentified hacker hours before the opening ceremony.

Officials immediately shut down servers to limit the damage, which apparently led to the temporary shuttering of the PyeongChang Olympics website. The Korean news service Yonhap News Agency reported that spectators who purchased tickets to Olympic events were unable to print their reservations until the site came back online Saturday morning.

It is unclear if the events are linked.

“There were some issues that impacted some of our computer systems last night for a few hours,” said an Olympic spokesperson. “We apologize for the inconvenience caused to all those affected. This has not disrupted any event or had any effect on the safety or security of any athletes or spectators.”

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