A by-election was held for the Dewan Rakyat seat of Rompin, Pahang in Malaysia on 5 May following the nomination day on 22 April 2015. The seat fell vacant after member of parliament Jamaluddin Jarjis, from Barisan Nasional died in a helicopter crash in Semenyih, Selangor. Jamaluddin Jarjis won the seat with a majority of 15,114 votes in the general elections in 2013, beating Pan-Malaysian Islamic Party (PAS)'s Mohd Nuridah Salleh.
The Rompin by-election was a straight contest between ruling party UMNO's Hasan Arifin and opposition PAS's Nazri Ahmad.
BN held the seat, albeit with their majority slashed by almost half.
References
Rompin by-election, 2015 Wikipedia(Text) CC BY-SA