Police have got important information about the attack on Ghoraghat Upazila Nirbahi Officer (UNO) Wahida Khanam by miscreants which left her seriously injured, said district Superintendent of Police M Anwar Hossain.
"We've made good progress in this regard. We hope we can present a good result within the next couple of days," he said.
The SP said there is no relation of the withdrawal of officer-in-charge of Ghoraghat Police Station Amirul Islam with the attack on the UNO.
Meanwhile, two accused in the case filed over the attack on the UNO were sent to jail on Friday.
The court passed the order after Nabirul Islam and Santu Kumar Das were produced before it on completion of their seven-day remand.
Besides, prime accused Asadul Haque is supposed to be produced before the court today on expiry of his remand.
Miscreants stormed the official residence of the UNO in the early hours of of September 3 and beat her and her father Omar Ali with hammers, leaving them injured.
They were first taken to Sadar Hospital from where Wahida, 35, was shifted to a Rangpur hospital where she was given treatment at its intensive care unit.
The UNO was airlifted to Dhaka and admitted to the National Institute of Neurosciences and Hospital on September 3. She underwent the brain surgery on the same day.