Three students and a bus driver were seriously injured when their bus rammed a trailer at Km 292.2 East Cost Highway 2 (LPT2) here early today.

In the 2.15 am incident, the double-decker tour bus, carrying 54 students and seven teachers from Sekolah Menengah Islam Hira' Jeram Kuala Selangor, was heading towards Kuala Terengganu.

Kemaman District Police chief Supt Mohd Said Ibrahim said the bus rammed the back of a trailer which was laden with wood and boards.

"Initial investigation revealed that the school bus delegation was going to Universiti Sultan Zainal Abidin (UNISZA) Kuala Terengganu for a study tour," he said when contacted by Bernama here.

He said all the students, who sustained serious injuries, were sent to the Kemaman hospital for futher treatment while those with light injuries, including the trailer driver received out-patient treatment.