The Chargers’ Sebastian Joseph-Day claims a TSA agent sexually assaulted him at a California airport

The NFL player described the incident as “extremely unnecessary and dehumanizing.”

Chargers defensive tackle Sebastian Joseph-Day has accused a male TSA agent at a Southern California airport of sexually assaulting him.

Joseph-Day, 28, said he was heading through John Wayne Airport when the security guard allegedly attacked him on March 24. “I actually just got sexually assaulted by the TSA.” @JohnWayneAir,” Joseph-Day wrote on Twitter.

The NFL player said he was “swarmed” by three TSA agents after he asked to cancel the security check because the agent made him “uncomfortable.”

“After asking the Lord to please stop BC, I feel uncomfortable and feel like this part of the review is unnecessary (having sensed what was needed). Then they told me I was the problem after three TSA agents surrounded me.”

Related: NFL player sues United Airlines after alleged sexual harassment by fellow passenger during flight

Joseph-Day called the incident “extremely unnecessary and dehumanizing” in a second tweet. “I travel a lot, for personal and professional reasons. “I’ve never experienced anything like this,” he said.

After the incident, Joseph-Day said he tried to file a complaint, but said the agency forced him to “go to great lengths.”

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The Chargers defenseman added: “I’m not sharing this on Twitter out of sympathy. “I am sharing this so that this group of gentlemen and staff will never be allowed to do this to another human being again,” tagging the official Twitter accounts for the airport and the city of Irvine, where the airport is located.

TSA has responded to the allegations and in a statement shared with PEOPLE, the agency said: “TSA is aware of allegations made by a traveler who was screened by TSA officers at John Wayne Orange County Airport on Friday morning. We are investigating the matter to determine whether our procedures were followed and whether corrective action needs to be taken.”

Related: Brie Larson says being a woman means “living a life of defense” as she recounts an unpleasant experience with a TSA agent

The agency added: “TSA remains committed to treating every traveler with dignity and respect while conducting its security screenings.”

A representative for Joseph-Day did not immediately respond to PEOPLE’s request for comment.

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