Dhaka, Nov. 13 -- The Special Response Battalion (SRB) has failed to recover former interim government advisor Asif Nazrul's stolen mobile phone despite coming within 220 metres of its location before losing track of the device.

The phone remained missing on Friday, three days after it was snatched through the window of Asif's car.

SRB-2 Commander Additional DIG Naimul Hasan told bdnews24.com that the force was disappointed by the setback but had not given up hope.

"We are continuing our efforts," he said.

According to Naimul, the phone was still switched on on Thursday morning, allowing investigators to track it to Mirpur.

"We were very close [to Asif Nazrul's] phone in Mirpur. We were just 220 metres away, and the effort was under ...