LOS ANGELES (CBS) — Moviegoers inside the ArcLight Cinemas in Hollywood were ordered to stay in their seats early Sunday because gunshots had been reported in the parking lot.

The incident happened about 3 a.m. at the theater on Sunset Boulevard, according to the Los Angeles Times.

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No one was injured in the apparent shooting, but movie patrons at an after-midnight screening were told not to leave the theater lobby or parking lot while police searched the grounds, looking under vehicles and inside trunks and conducting pat downs.

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Officers looked for about two hours, but found nothing and no one turned up, the Times reported.

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