Chelsea will ban any supporters found to have used anti-Semitic language or behaviour which "shames" the club during the defeat at Watford on Monday.
beaten 4-1 by Watford at Vicarage Road in the Premier League. A report on a Jewish website said one fan was left "disgusted" by chanting from fellow Blues supporters, reporting the incident to stewards at the ground.
"Anti-Semitism has no place in our club, football or wider society.
"Anyone found guilty of anti-Semitic language or behaviour
will face action from the club, including bans, and will be asked to attend equality education courses.
"We welcome the fact that Chelsea fans have reported this behaviour
, which shames our club." " said a Chelsea statement as published by BBC Sports
The club last week launched a 'Say No to Anti-Semitism' campaign as part of their own inclusion work through the Building Bridges initiative.
The club have
launched an investigation in co-operation with Watford and the police.