Dhaka, Dec. 14 -- Five weeks after being shot during an election canvassing drive, the attack on BNP-nominated Chattogram-8 candidate Ershad Ullah remains unresolved, with investigators yet to make any meaningful breakthrough.

In the same attack at Chalitatoli at Chattogram's Bayezid Bostami, Sarwar Hossain Babla -- described by police as a "criminal" -- was also shot, later succumbing to his injuries.

A couple of days after the incident, Sarwar's father Abdul Kader filed a murder case with Bayezid Bostami Police, naming seven suspects.

Although 39 days have passed since the filing of the case, police say there has been no significant progress beyond the arrest of 10 suspects.

Those believed by authorities to be directly involved in t...