SINGAPORE - Ten electric scooters and electric bikes were seized by the authorities in joint enforcement operations against errant riders that stretched across two nights in the north-eastern and western parts of Singapore. Among the personal mobility devices (PMDs) seized was an electric scooter weighing slightly more than 64kg, the Land Transport Authority (LTA) said in Facebook post on Wednesday night (May 16). LTA's Active Mobility Enforcement Officers and the Traffic Police carried out operations on May 14 and May 15 in various areas, including Hougang Avenue 4, Boon Lay Way and Lakeside Road. A total of 10 PMD and power-assisted bicycle users were caught for riding non-complaint devices, such as those that are overweight. Their devices were seized under new laws, which state that these should weigh a maximum of 20kg, have a maximum width of 70cm and a maximum motorised speed of 25kmh. All power-assisted bicycles must have an LTA approval seal and have a valid registration plate.