One more person has been arrested in connection with the tragic death of an SSC examinee in a road accident in the Rampura Bazaar area of Dhaka on Monday night. The arrestee has been identified as Chan Mia, the helper of the killer bus that ran over Mainuddin, the victim. Chan was nabbed by the Rapid Action Battalion (RAB) from the Sayedabad area of the capital in the early hours of Tuesday, said Imran Khan, assistant director (media wing) at RAB headquarters. Mainuddin, a candidate in the ongoing SSC examination and student of Ekramunnesa School and College, was run over by the bus around 10.45 pm Monday in the Rampura Bazar area. Following the accident, an angry mob torched eight buses. Also read: 8 buses torched in Rampura after SSC candidate run over Azizul Haque, an eye-witness, said that the student was run over by the speeding bus as soon as he got off another bus in the Rampura Bazar area. He died on the spot. "Police are trying to find out how the accident occurred," said Rampura police station officer-in-charge Rafiqul Islam. Meanwhile, deputy commissioner of police (Motijheel range) Abdul Ahad told reporters that the bus had been seized and its driver arrested. "Action will be taken against him," he added. Also read: Bus helper pushes off Chattogram teacher over fare dispute Deputy assistant director of the Fire Service and Civil Defense Hafizur Rahman told UNB that eight buses were set on fire by people in the wake of the accident.