"I was pleased with the reaction of the players, we were much better in the second half," Chelsea interim manager Rafael Benitez said after drawing 2-2 with Brentford.
"It's important to do well in every competition, the FA Cup is massive but we also need to finish in the top four."
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The engineering projects will hamper the plans of many people hoping to take advantage of the four-day weekend.
Local media said the location of the crash was among the most dangerous junctions in the region.
London has welcomed in the Chinese New Year in style with the biggest party outside of Asia.