Amanah’s arts, culture, and sports bureau chairperson Wan Anwar Wan Ibrahim has urged the government, as the owner of Petronas, to take internal action against the company’s president and group chief executive, Tengku Taufik Tengku Aziz.

Referring to the “champagne shower” incident during the recent Singapore Grand Prix, Wan Anwar said such action would ensure that similar behaviour does not recur in the future.

Dismissing Taufik’s apology, he said the excuse...