Chelsea beat Steaua Bucharest on Wednesday night to seal top spot in UEFA Champions League Group E and now turn their attention back to the Barclays Premier League.Jose Mourinho's side suffered a surprise 3-2 defeat at Stoke City last weekend, missing an opportunity to move into second place and close the gap on leaders Arsenal to only two points. ourinho said it was mission accomplished in Europe after the victory over Steaua and reiterated that his main objective in the Barclays Premier League is to secure a Champions League spot.He said: "The only target was to not win the Europa League again and that target is done. Now we have to do the best we can in the Champions League. In the Premier League I think the first target is to ensure we finish in the top four."