He is accused of embezzling over Tk 202.2 million on the pretext of issuing loans while serving as the chief of a financial institution
They were on their way to attend Juba League's rally in Dhaka on Saturday.
Naojor highway police's Assistant Sub-Inspector (ASI) Kawsar Ahmed said a bus carrying the activists overturned in front of Bangabandhu Krishi University in the morning.