Kota Samarahan police impounded 36 motorcycles and arrested one motorcyclist during an overnight Op Samseng Jalanan operation. The operation ran from 10pm on Sept 20 to 6am on Sept 21 at Taman Rembus and along Jalan Kota Samarahan–Kampung Baru. Twenty-five personnel took part, targeting traffic offences and road hooliganism. Police said the arrest was made under Section 42 of the Road Transport Act 1987, which covers reckless and dangerous driving. The impounded motorcycles were placed under Section 60 for further inspection. The update records enforcement action and investigation steps; it does not by itself establish a conviction. Motorists using the Samarahan corridor should expect checks to include the motorcycle and its documents, not just riding speed. No wider road closure was announced in the report.