KUALA LUMPUR, Feb. 15 -- Police have seized nearly RM9 million worth of e-cigarettes and vaping products in a six-day nationwide crackdown targeting the rising trend of teenagers smuggling easily concealed devices into schools, where teachers are struggling to stop them.

The joint operation, which began on February 10, involved 2,140 personnel from the Royal Malaysia Police (PDRM), the Ministry of Health (MOH) and the Inland Revenue Board (LHDN), and was carried out simultaneously across 13 states.

Acting Internal Security and Public Order Department director Datuk Fisol Salleh said 154 premises were targeted, with 141 found to be directly involved in e-cigarette-related activities.

"From these inspections, we successfully made arrests...