ROUGH CUT (NO REPORTER NARRATION)<br/> <br />STORY: Thousands of Kurds marched to the Turkish-Syrian border in the southeast province of Cizre on Sunday to show solidarity with Syrian Kurds as security forces used water cannon and smoke grenades to quell the crowd.<br/> <br />Demonstrations started peacefully as thousands gathered near the border to attend a rally organized by the pro-Kurdish, Peace and Democracy Party. Clashes broke out when demonstrators began marching towards the border and crossed into Syria.<br/> <br />Police and military forces fired smoke grenades as water cannon was sprayed on protesters hurling stones.<br/> <br />The Syrian conflict has complicated Turkey's efforts to make peace with the PKK, designated a terrorist group by Ankara, the United States and European Union but for the past year engaged in a peace process with the Turkish state.<br/> <br />Long oppressed under Syrian President Bashar al-Assad and his father before him, Kurds view the war as an opportunity to gain more auton
