Batu Sapi MP and former de facto law minister Liew Vui Keong died at 11.50am today while undergoing treatment at Gleneagles Hospital in Kota Kinabalu. He was 60.
Liew had been in hospital since early this week and was reportedly in a coma.
He was initially hospitalised for a slipped disc but later contracted pneumonia.
He was said to have lost consciousness due to lung failure and had been in critical condition and under intensive care.
Better known as VK Liew, the permanent chairman of Warisan was missing for most of the Sabah elections, which ended last weekend.
He was a former Liberal Democratic Party president who joined Warisan in 2018.
Earlier this week, the family asked for privacy when rumours started floating about his condition.
A by-election for the federal seat will be necessary.