ROUGH CUT (NO REPORTER NARRATION)<br /> <br />Thousands of Kurds protested against Turkish plans to build a wall along the Syrian border, calling it a move to stop Kurdish communities strengthening cross-frontier ties as Syria places splinters from civil war.<br /> <br />The rally underscored the sectarian strains spilling over from Syria's war, which grew out of a 2011 uprising against President Bashar al-Assad and has fragmented into a patchwork of antagonistic ethnic and sectarian pockets that risk destabilizing neighboring Middle Eastern countries.<br /> <br />Riot police tolerated the protests, organized by Turkey's pro-Kurdish Peace and Democracy Party (BDP), for much of the day but fired tear gas to disperse groups of demonstrators as a sit-down protest began following the main speeches.<br /> <br />Crowds of mostly young men, many waving red, yellow and green Kurdish flags, gathered in the Turkish town of Nusaybin, separated from the Syrian town of Qamishli by a strip of no-man's land and barbed wire
