BUKIT MERTAJAM: Some 500 mat rempit were detained in an operation at the Juru toll plaza Sunday morning.

Dubbed Operasi Samseng, which began at 1am, the motorists were inspected for various traffic offences.

"The operation aims to curb illegal racing offences besides also criminal activities within central Seberang Perai district.

"The motorists were detained for committing various traffic offences," said Central Seberang Prai district police chief Asst Comm Rusli Mohd Noor when contacted.