Law enforcers on Saturday arrested another key suspect in conncention with a case filed for attacking on Ghoraghat Upazila Nirbahi Officer Wahinda Khanam.

The arrestee is identified as Rabiul.

The law enforcers have so far arrested four people, including another prime suspect Asadul Islam, and three of them were remanded for their alleged involvement in the attack.

Wahida Khanam, Upazila Nirbahi Officer (UNO) of Ghoraghat (Dinajpur), was seriously injured in an attack by miscreants at her home on the Upazila Parishad premises on September 3.

Her father Omar Ali was also injured in the gruesome attack. They were taken to Rangpur Medical College and Hospital.

Later, the UNO was airlifted from Rangpur to Dhaka by a Bangladesh Air Force MI-171SH helicopter.

She was admitted to the National Institute of Neurosciences & Hospital, Dhaka.