American actor Lance Reddick, best known for his role in The Wire, has died aged 60.
A spokesperson said he "passed away suddenly this morning from natural causes".
They added: "Lance will be greatly missed. Please respect his family's privacy at this time."
Reddick was best known for his role in the crime drama The Wire, which ran for five seasons between 2002 and 2008.
The show was set in Baltimore, Reddick's hometown, and he played police lieutenant Cedric Daniels.
Reddick appeared in all 60 episodes alongside stars including Dominic West, Idris Elba, Wendell Pierce and Michael K Williams.
Pierce said Reddick's death was "sudden, unexpected, sharp, painful grief for our artistic family" and praised him as a "man of great strength and grace".
More recently, Reddick starred in the John Wick movie franchise alongside star Keanu Reeves. He played hotel concierge Charon in all four movies, with the last one due for UK release next week.