The official Barcelona team bus was ambushed in London last night as it made its way to Stamford Bridge for the club's Champions League clash with Chelsea . Staff were forced to patch up a shattered window so that players could be rushed to Gatwick Airport straight after the match. Police have launched an investigation into the shocking incident. A police presence could be seen by the Catalan club's transport following the incident. Barca lost 3-0 to the Blues following the incident, as a Jules