Firefighters work at a burnt ice hockey arena in Donetsk, Ukraine, Tuesday, May 27, 2014. Early Tuesday, a group of unidentified men stormed Donetsk's main ice hockey arena, which was to host the 2015 world championships and set it ablaze, according to the mayor's office. The ice hockey arena belongs to Ukrainian lawmaker Boris Kolesnikov. (AP Photo/Alexander Ermochenko)