Polish riot police stand guard during clashes with soccer fans before Euro 2012 soccer match between POLAND and Russia in Warsaw
Polish riot police stand guard next to an overturned drinks vending machine during clashes with soccer fans before the Group A Euro 2012 soccer match between Poland and Russia in Warsaw June 12, 2012.
WARSAW, Poland -Poland is braced for more soccer hooligan violence this weekend between Polish and Russian fans at the European Championship, with the justice minister warning that there's no shortage of ``cretins'' willing to do battle on both sides.