PoliticsDispute a threat to investment climateTension between Petronas and the federal government escalated amid the coronavirus pandemicTension: Malaysia's Prime Minister Muhyiddin Yassin is said to have disagreed with Petronas former chief executive Wan Zulkiflee Wan Ariffin over tax payments to SarawakPhoto: AFP/SCANPIXAmanda BattersbyRussell SearanckeLondon/Wellington