Turkish authorities however tried to prevent them from entering busses and clashes erupted in which 19 people were injured .
August 31 , 2001 , thousands gathered in Diyarbakir to travel to Ankara to celebrate World Peace Day on September 1 .
Turkish authorities tried to prevent them from entering busses and clashes erupted in which 19 people were injured .
August 31 , 2001 , thousands gathered in Diyarbakir to travel to Ankara to celebrate World Peace Day on September 1 .