Home minister Saifuddin Nasution Ismail said 40 arrests were made during them operations.

Seizures from 18 diesel cases involved a total value of RM10.41 million. The others involved seizure of petrol, liquefied petroleum gas (LPG) and cooking oil, Bernama reported.

The Malaysian Maritime Enforcement Agency also seized 30 gas cylinders, a cargo boat and outboard engines off Tawau, Sabah, Saifuddin said in a Facebook post.

“There will be no compromise on leakages or smuggling. Enforcement will keep getting stronger through teamwork and solid data,” he said.

Meanwhile, deputy prime minister Fadillah Yusof said 320 legal violations had been recorded under the integrated anti-leakage operation, dubbed Op Tiris 4.0, since March 16.

Fadillah, who is also the energy transition and water transformation minister, said the cases were uncovered through 18,261 inspections conducted nationwide.

He said 138 cases involved seizures of controlled diesel, followed by petrol (77), LPG (41), cooking oil (35), sugar (22) and wheat flour (seven).

Speaking after chairing a meeting to establish the Op Tiris 4.0 special task force at the state level in Sabah and Labuan, Fadillah said the results reflected strong inter-agency cooperation.

He said the special task force will zero in on operational challenges like countering smugglers’ tactics along borders and in surrounding waters.

Fadillah said enforcement operations in Sabah and Labuan led to the seizure of 102,144 litres of diesel and 23,907 litres of petrol, as well as 9,605kg of cooking oil, 3,726kg of LPG and 198kg of sugar.

He said the government remains committed to ensuring fuel subsidies reach targeted groups while safeguarding access to essential goods.

“Efforts to curb smuggling and leakage of controlled items, particularly diesel and petrol, will be intensified,” he said.

He called on the people to help the authorities curb smuggling.