Chelsea Football Club has released a statement in response to an incident after today's [Sunday's] match.

The statement reads:

'We are aware of reports of an altercation with the Manchester United team bus as it left the Stamford Bridge area. It appears to have been an isolated incident but we have launched a full investigation in conjunction with local authorities.

'Chelsea FC does not condone violence in any way, shape or form. If, as a result of our investigations, we find that any Chelsea supporters were involved we will take appropriate action against those individuals.'