KUALA LUMPUR, Oct. 6 -- The April gas pipeline explosion in Putra Heights that injured more than 100 people and damaged hundreds of homes was primarily caused by unstable soil conditions and repeated mechanical stress on the pipeline.

These were among the findings highlighted by the Parliamentary Special Select Committee (PSSC) on Infrastructure, Transport and Communications after its engagement with relevant agencies.

The committee, in a report tabled in Parliament, revealed that the Petronas Gas Berhad (PGB) pipeline met all technical specifications but failed due to "cyclic loading" - repeated stress over time - combined with soil subsidence and water accumulation beneath the surface.

However, it noted that only four agencies submit...