Rajshahi: A speedy trial tribunal in Rajshahi on Tuesday sentenced 15 BNP-Jamaat activists to life term imprisonment and 28 others to different jail terms in a violence case filed in Sirajganj in 2013.

The convicts hail from different villages of Sadar upazila in Sirajganj district, according to a UNB report.

The court also fined the lifers Tk 10,000 each, in default, to suffer six months more in jail.

Thirty-five out of 60 accused in the case, including one lifer, were present in the dock when the judge pronounced the verdict.

According to the prosecution, the convicts removed three parquets of a bailey bridge in Fakirtala area in Sirajganj on December 11, 2013 in a bid to create anarchy which caused untold sufferings to locals.

They also exploded several crude bombs and hand-bombs in the area for creating panic amid people.

Sub-inspector of Sirajganj Sadar Police Station Faruk Hossain filed a case against 40 people with the police station on the day.

On June 3, 2014, police submitted a charge sheet against 60 people to a district court.

On October 12, 2015, the case was transferred to the Rajshahi Divisional Speedy Trial Tribunal for its quick disposal.

Judge of the speedy trial tribunal Golam Ahmed Khalilur Rahman delivered the judgment after examining witnesses and documents.