A bus helper, who was asleep inside it, has sustained serious burn injuries in Khazura bus stand area of Jessore.
The injured was identified as Murad Molla, 20, son of Torab Molla, hailed from Maunara village under Mohammadpur upazila of Magura district, said Kotwali police station Sub-Inspector Mizanur Rahman.
The police official said the miscreants set the two buses on fire between 2:30am and 3:30am on Wednesday when these were parked in the bus stand area.
Being informed on time, the fire service quickly controlled the blaze in one bus, said Mizan.
But another bus was gutted completely, leaving bus helper Murad severely burnt, he added.
Murad was admitted to Jessore Medical College Hospital.
“Nearly 47% of his body was burnt,” said Dr Kazal Mollik of the hospital.
Meanwhile, police, in a drive, arrested eight persons from different parts of the city, said ASP Reshma Sharmin of Jessore.