He was murdered when he tried to resist an attempt of killing a night guard of an under construction bridge at Mulakhali in Mujibnagar upazila.

The dead was identified as Nazrul Islam, 36, of Bidyadharpur.

With this killing, the death toll rose to three in last three days since Monday in the district creating panic among the local people.

According to police, armed outlawed cadres went there in search of Zohurul Islam, contractor of the bridge, to realise toll from him. As Zohurul was not on the spot, they confined the night guard Abul Kasem at gunpoint.

As Kasem raised hue and cry for help, fishermen at the nearby lake rushed to the bridge and tried to prevent the outlaws from killing the night guard.

The outlaws then opened fire on Nazrul killing him on the spot and left the scene.

Police recovered the body in the morning and sent it to Meherpur General Hospital for autopsy.

A case was filed with Mujibnagar Police Station in this connection.

Earlier on Wednesday, activists of outlawed Purbo Banglar Communist Party (PBCP) Red Flag faction killed a rival Janajuddho activist at village Bautpara in Gangni upazila of the district.

The dead was identified as Yunus Ali 35, son of Nawsher Ali of the village.

The killing was a sequel to murdering of one red flag cadre on Monday.

Janajuddho men shot dead a red flag cadre named Hafizur Rahman alias Hafi, 30, son of Patal Mondol of Mirkandi village under Gangni upazila in the district on that day.