CURRENTNATIONAL Loud boom, tremors in Sabah not caused by Petronas operationsEditor Selangor JournalJanuary 31, 2021 by Editor Selangor JournalJanuary 31, 2021 KOTA KINABALU, Jan 31 — The loud boom and tremors felt in Sabah were not caused by any of Petroliam Nasional Berhad (Petronas) operations in...