MTV has stopped filming of its popular show, Catfish, after host Nev Schulman was hit with accusations of sexual misconduct.

In the show, Schulman and co-host Max Joseph investigate claims of catfishing in internet-based relationships.

“We take these allegations very seriously,” an MTV spokesperson said in a statement on Thursday. “We’re working with Critical Content, our third party production company, to conduct a thorough investigation and we’ve put a pause on shooting until the investigation is completed.”

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The allegations were made by a woman,Ayissha Morgan, who appeared on the show years ago, who detailed the allegations in two YouTube videos. 

Morgan, a lesbian, alleged he aggressively pursued her and encouraged her to “reevaluate” her sexuality. She also claimed one of his female production assistants took advantage of her while drunk.

Schulman has denied the claims, and said in a statement to Variety, “The behavior described in this video did not happen and I’m fortunate that there are a number of former colleagues who were present during this time period who are willing to speak up with the truth. I have always been transparent about my life and would always take responsibility for my actions — but these claims are false.”

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