American tourists went into hiding at a Hyatt resort in Cancun, Mexico Thursday afternoon amid reports of an active shooter.

Mike Sington, a former executive, said he was at the resort and posted video footage on his Twitter account.

“Several guests have (said) they saw gunman come up from the beach, actively shooting,” he said.

A Hyatt spokesperson told Fox News it is aware of a “developing situation” at the resort.

“We understand the hotel team immediately engaged local authorities who are on the scene investigating the situation,” the spokesperson said in a statement. “The hotel team is taking steps in an effort to ensure the safety of guests and colleagues, and further questions may be directed to local authorities,” a Hyatt spokesperson told Fox News.

Mexican state authorities said armed individuals were spotted in the beach area of Hotel Ziva in Puerto Morelos and reported to police “who took the lives of two men who are presumed to be drug dealers.”

Authorities said no tourists were seriously injured or kidnapped.

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Fox News has reached out to the U.S. embassy in Mexico for comment.