article_snippet.sent: A group of Chelsea fans stormed Arsenal's Emirates Stadium this week in a lighthearted attempt to lay a blue marker down as the Premier League clubs prepare to do battle on Sunday.
article_snippet.sent: A group of Chelsea fans labelled A group of Chelsea fans the 'C-Team' while wearing Jose Mourinho, Diego Costa, Didier Drogba and Cesc Fabregas masks to hide A group of Chelsea fans identity before parking up outside Arsenal's north London home.
article_snippet.sent: A group of Chelsea fans Chelsea fans set off blue smoke bombs and covered the Arsenal sign outside the Emirates .
article_snippet.sent: A man in a Jose Mourinho mask looks to the camera during the Chelsea Fans Channel prank .
article_snippet.sent: The two-minute clip then shows the Blues fans displaying large blue and white letters in front of a concrete Arsenal sign before a concrete Arsenal sign eventually reads 'Chelsea.
article_snippet.sent: The Chelsea Fans Channel prank comes just days before Mourinho's side travel to the Emirates in search of what will be a crucial three points.
highlights_snippet.sent: Chelsea pranksters play practical joke outside the Emirates Stadium .
  