Sudan's President Omar Hassan al-Bashir and his wife Widad Babiker (R front) arrive at a polling station in Khartoum April 11, 2010. Sudanese queued to vote on Sunday in the first elections for almost a quarter of a century that will test the fragile unity of Africa's biggest country but which have already been marred by fraud allegations. REUTERS/Ahmed Jadallah (SUDAN - Tags: POLITICS ELECTIONS)