UEFA have confirmed they will make a decision on possible action against Chelsea players for their actions both during and after their Champions League semi-final second leg against Barcelona "in the course of next week".
Didier Drogba and Michael Ballack face possible sanction for verbally attacking referee Tom Henning Ovrebo over the official's decision to turn down several appeals for Chelsea penalties during the match at Stamford Bridge.
Chelsea manager Guus Hiddink, skipper John Terry and full-back Jose Bosingwa were also highly critical of the referee's performance.
UEFA also confirmed they had not been contacted by Barcelona about a possible appeal against Ovrebo's decision to send off Eric Abidal following a second-half clash with Nicolas Anelka.
"With regard to the UEFA Champions League semi-final second leg between Chelsea FC and FC Barcelona in London on Wednesday, UEFA has received both the referee's and delegate's report," read a UEFA statement issued on Friday.
"UEFA is currently examining those reports, as well as gathering additional evidence. It will decide which action to take in the course of next week.
"No protest has been received with respect to the red card shown to FC Barcelona player Eric Abidal."
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