EastEnders actor Ricky Norwood has been suspended from the soap for two months after reports he was shown smoking cannabis in an online video.
The clip, which was apparently recorded during a Skype conversation, is also thought to show him exposing himself.
The actor has played Arthur "Fatboy" Chubb in the BBC One show since 2010.
"Ricky Norwood has been suspended from the show for a period of two months with immediate effect," said an EastEnders spokeswoman.
She added: "In addition, Ricky would like to apologise to EastEnders' viewers for any offence caused and for bringing the show into disrepute."
The 28-year-old studied dance at performance arts school before he decided to take up acting.
Now a full time cast member in EastEnders, Norwood first appeared in the soap's online spin-off E20.
In 2010, he won a National Television Award for best newcomer after joining EastEnders earlier that year.
His latest storyline has seen him comforting Dot Cotton, who is played by June Brown, following the death of her son Nick Cotton.
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