Uefa is to investigate the use of two referees in matches as it tries to stop players faking injury in an attempt to get opposition players sent off.
On Saturday West Brom boss Bryan Robson accused Chelsea's Didier Drogba of diving in the league leaders' 2-1 win.

Uefa chief executive Lars-Christer Olsson told BBC Five Live's Sportsweek programme: "The use of two referees will be discussed in the summer.

"Previous tests haven't been successful because of communication."

Olsson added: "We haven't foreseen any tests in the near future but it is one of the matters that has come up in discussion with clubs in terms of dealing with this behaviour."

The Uefa chief also believes that diving has become a real problem for English football.

"It seems it has been significantly more in Britain than in the other parts of Europe, although there have been reports from international games as well."

Olsson also warned racist fans could cost their clubs points after the abuse Barcelona striker Samuel Eto'o received at the hands of some Real Zaragoza fans last week.

Olsson said: "We have been discussing also within Uefa whether we should have other measures, such as taking points away from a club, for example, or changing a result.

"But this is a very tricky one because you cannot have the matches decided in the boardroom or by the disciplinary bodies.

"It should be decided on the pitch, so our first objective has to be to get everybody involved around the match to create the correct atmosphere."