KUALA LUMPUR, March 15 -- Police have arrested four men suspected of stealing cables along the MRT Putrajaya Line, a crime that caused a three-day service disruption and affected thousands of commuters earlier this month.

The Royal Malaysia Police apprehended the suspects, aged between 30 and 45, in a recent operation.

The arrests were the result of a joint effort, combining intelligence and surveillance activities from Prasarana Malaysia Berhad's (Prasarana) Auxiliary Police Unit and the Selangor Contingent Police Headquarters.

In a statement, Prasarana said the arrests were linked to a cable theft incident near the Sri Damansara Barat Station on March 3, which had been reported by Prasarana.

The theft triggered significant operation...