With less than two weeks to go before Sudan's presidential election, Yasir Arman of the Sudan People's Liberation Movement [SPLM], the main opposition challenger to President Omar al-Bashir, has removed himself from the race.<br /><br />The party says it is boycotting the planned vote on April 11 because of what it calls "electoral irregularities" and the continuing conflict in Darfur.<br /><br />Al Jazeera's Mohammed Adow reports from Khartoum, the Sudanese capital. (1 April 2010)