Preliminary police investigations and medical tests into the deadly bus accident in the Rambewa area of Anuradhapura have revealed several details.A urine sample test has reportedly confirmed that the SLTB bus driver who died in the accident had consumed cannabis and alcohol at the time of the crash.The accident occurred on the morning of the 10th near the Welioya Junction in Rambewa, along the A-09 Kandy–Jaffna Road, within the Mihintale Police Division.Three buses were involved in the collision, which claimed four lives, including an SLTB bus driver and two women. A total of 76 passengers were injured and admitted to hospital.According to a statement issued by the Police Media Division, the accident occurred when an SLTB bus travelling from Janakapura to Colombo collided head-on with another SLTB bus travelling from Akkaraipattu towards Jaffna.A private bus travelling from Vavuniya to Colombo also crashed into the rear of the SLTB bus heading to Colombo.The deceased included the driver of one of the SLTB buses and three passengers. The victims were aged 47 and 56, and were residents of Atawiragollawa and Ridigama, according to police information.