Chief minister of Malaysia's state of Sarawak, Abdul Taib Mahmud, arrives on his Rolls Royce at the polling centre to cast his vote during the Sarawak state elections in Kuching April 16, 2011. Malaysia's government will likely retain control of a key state which heads to the polls on Saturday but significant opposition gains in the ruling coalition's bastion could delay Prime Minister Najib Razak's pursuit of economic reform. REUTERS/Bazuki Muhammad (MALAYSIA - Tags: POLITICS ELECTIONS)