He died of cancer on September 19 after battling health problems for years. In between stints with Uriah Heep (1972-78, 1980-2007), he was the drummer for Ozzy Osbourne. He left Heep in 2007, citing health issues.
https://planetradio.co.uk/planet-rock/news/rock-news/lee-kerslake-dies/
https://planetradio.co.uk/planet-rock/news/rock-news/lee-kerslake-dies/