Gloucester lock Ed Slater has been diagnosed with motor neurone disease (MND) and has retired from rugby union with immediate effect.
Slater, 33, was diagnosed last week following six months of testing.
He made three appearances for Gloucester in the Premiership last season, the most recent in January.
A statement from the club said they were “entirely committed to supporting Ed, his wife Jo and his three children in whatever way required”.
More to follow.