High Quality Content by WIKIPEDIA articles! The Sibu by-election, 2010 was a by-election for the seat of Sibu in the Parliament of Malaysia. The Sarawak-based seat fell vacant after the death of its incumbent member, Robert Lau Hoi Chew, from liver cancer on 9 April 2010. The seat was defended for the Barisan Nasional coalition government by Robert Lau Hui Yew of the Sarawak United Peoples` Party (SUPP), while Sarawak State Assemblyman Wong Ho Leng contested the poll for the Democratic Action Party (DAP) in the Pakatan Rakyat opposition coalition. Wong won the election by 398 votes, wresting the seat from the Barisan Nasional.