Ranil Wickremesinghe, leader of main opposition United National Party (UNP), greets a party supporter when arriving at a polling station to vote in Colombo April 8, 2010. Sri Lankans voted on Thursday in a parliamentary election likely to further entrench President Mahinda Rajapaksa's political dominance, the first parliamentary poll since last year's end of a quarter-century of war. REUTERS/Andrew Caballero-Reynolds (SRI LANKA - Tags: POLITICS ELECTIONS)