A Barisal court on Monday rejected the bail petition of former state minister for water resources Col (retd) Zahid Faruk and sent him to jail.
Barisal Metropolitan Magistrate Md Nurul Amin gave the order around 7pm.
Faruk was arrested from his house in Dhaka's Baridhara on Sunday evening.
The former state minister was accused in several murder cases with different police stations.
On August 23, Barisal city BNP convenor Moniruzzaman Khan Farooq filed a case against 381 named accused, including Faruk, and 600-700 unidentified accuse.
When Faruk appeared in the court this evening, leaders and activists of Awami League and BNP gathered at the court premises.
At the time, there were chases and counter-chases between the two groups.