KUALA LUMPUR, Aug. 3 -- A 56-year-old Singaporean motorcyclist was killed and two Malaysian riders injured in a four-vehicle crash on the North-South Expressway near Kulai yesterday.

The collision, at KM44.6 of the southbound carriageway, involved a Toyota Vellfire and three high-powered motorcycles.

Kulai district police chief Assistant Commissioner Tan Seng Lee said preliminary investigations found that the three riders - the Singaporean and two Malaysians aged 57 and 39 - were travelling south when the crash occurred.

"The victim is believed to have lost control and crashed into the rear of the vehicle driven by a 32-year-old Singaporean woman, who was travelling in the right lane at the time.

"The incident also involved the other ...