“Dennis Shields, the on-again, off-again boyfriend of ‘Real Housewives of New York’ star Bethenny Frankel, was found dead in his Trump Tower home Friday,” CBS News reports, noting that the New York City Police Department confirmed the news.

“The NYPD said police responded to a 911 call of an unconscious male at approximately 9:19 a.m. They said they found the 51-year-old unconscious and unresponsive, and that he was pronounced dead at the scene,” the story reports. “CBS New York reported that Shields, a financier, died of a suspected overdose. He asked his assistant to administer Narcan around 9 a.m. after he thought he overdosed on prescription pills, sources said, according to the station.”

Shields reportedly lost consciousness before the medication, which is used to reverse an opioid overdose, took effect.

The New York City Office of the Chief Medical Examiner issued a statement saying it was investigating the death of a man who was “believed to be” Dennis Shields.

“We will release cause and manner of death when completed,” Aja Worthy-Davis, executive director for public affairs at the OCME, said in a statement.

CBS News adds: “Frankel and Shields began dating in 2016 but knew each other for much longer. Their on-again, off-again relationship was documented on Season 10 of ‘Housewives.'”