Brooklyn rapper Sean Price, 43, found dead in his apartment of unknown causes. Brooklyn rapper Sean Price died in his sleep Saturday.

The 43-year-old hip-hop artist was a member of the rap supergroups Boot Camp Clik and Random Axe.

Price got his start in the music world as part of the group Heltah Skeltah before rising in the underground hip hop community as a noted solo act.

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There was no immediate known cause of death.

“It is with beyond a heavy heart that Duck Down Music is sadly confirming that Sean Price passed away early this morning in his Brooklyn apartment,” said a statement from his representatives. “Sean’s family and friends are asking for time to grieve and process the news. Further details will be issued when more information is available.”

As a solo artist, Price released “Monkey Barz” in 2005 and “Jesus Price Supastar” in 2007.

The lifelong Brownsville resident was featured in the video game “NBA 2K11” as a playable character in street mode.

Price’s latest album, “Mic Tyson,” was released in 2012 and he was working on a mixtape, “Songs in the Key of Price” slated to be released by Duck Down Music on Aug. 21.

“I’m going fishing Sunday at Sheepshead Bay I did it last week it was relaxing,” he wrote on Twitter a day before his death.

The MC’s fellow lyricists took to social media to mourn the loss of the influential star.

“Hip hop has lost another great. RIP Sean P! #RealOne,” The Roots’ Black Thought tweeted.

Others commended Price’s tenacious spirit.

“RIP to @SeanPrice one of the illest to ever do it. 1/2 of Heltah Skeltah aka Ruck. He was always a good brother to us and down to build,” the Bronx-based rap group Rebel Diaz wrote.