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MCKEES ROCKS (KDKA) — A former star of a popular reality TV show is now in the Allegheny County Jail, arrested after authorities uncovered a suspected meth lab he was allegedly running in McKees Rocks.

Police and Hazmat teams were called to the apartment building on Vine Street, near Rosamond Street late Wednesday night. Neighbors tell KDKA the spot has been a problem apartment for years.

“We conducted a search warrant on that apartment and we found items, chemicals, items that were used to substantiate that we were correct in what was going on in there,” said McKees Rocks Police Chief Richard Deliman.

Officers called it a fully-functioning meth lab, and they say Kieffer Delp is accused of running it.

He’s a well-known TV reality star for fans of the MTV show “Teen Mom.” Delp dated one of the show’s original stars, teen mom Jenelle Eason.

But now Delp’s behind bars at the Allegheny County Jail.

UPDATE: Police say they found lithium, lighters, propane and empty pseudo-ephedrine packaging inside the home they busted. They also found several “One Pot cooks” in plastic bottles @CBSPittsburgh pic.twitter.com/xX2ZjupMwi — Meghan Schiller (@MeghanKDKA) January 11, 2018

On Wednesday night, officers blocked off Vine Street and suited up in special protective clothing to remove the chemicals from the basement apartment, which on Thursday morning still had a florescent yellow sign hanging on the door, warning of hazardous chemicals.

Police say they found lithium, lighters, propane and empty pseudo-ephedrine packaging inside the apartment.

“Most of those chemicals have a strong chemical odor to them, so we utilized the Pa. State Police to bring in their clandestine laboratory,” said Chief Deliman. “They have expertise in removing that stuff. We used them to remove the items safely, and therefore, dispose of the items.”

Police had residents evacuate the building during the bust because of that strong odor.

Delp now faces multiple felony and misdemeanor charges.

Police say he was the intended target of the bust and the only person home at the time of the arrest. McKees Rocks Police have also learned that Delp has a warrant out for his arrest in another state.