His remarks follow recent meetings between Japanese Ambassador Iwama Kiminori with the Election Commission and the BNP
The highway at Sonargaon Upazila was blocked for two hours and several vehicles were damaged during the agitation.
Additional Superintendent of Police Md Zakaria said that a bus ran over Aman Ullah, 27, who worked at ‘Chaity Garments’, around 8am at Tribardi area.
According to witnesses the bus fell into a ditch after the accident, leaving ten passengers injured.
Irate workers set fire to bus before blocking the highway and damaged at least ten vehicles parked at a nearby garage.
Workers hurled brickbats at police when they intervened. Law-enforcers had to fire blank shots to disperse the agitators.
Traffic later resumed on one of the busiest highways in the country after two hours of interruption.