On November 1, 2014, the website for the British rugby team "Keighley Cougars" was hacked and defaced by "Team System DZ." The page featured the above Image, which contained pro-ISIS and anti-Western messages.
The West Yorkshire police announced that they investigated the attack and passed on their findings to the counter terrorism unit.
Source: Keighleynews.co.uk, Telegraph.co.uk, November 3, 2014.