Munshi Atiqur Rahman, CID's senior additional superintendent of police (ASP) and also the investigation officer (IO) of the case, brought the matter to the notice of Sylhet Divisional Speedy Trial Tribunal yesterday.

Earlier on Tuesday, the IO informed the Magistrate Court of Habiganj Sadar upazila about the matter.

"We found some significant information regarding involvement of a few more people with the sensational killing," the IO told The Daily Star adding, "We will try to finish our job as soon as possible."

Kibria and four others were killed in a grenade attack at a public meeting at Baidderbazar under Habiganj Sadar upazila on January 27, 2005.

A charge sheet was filed on March 20 of the same year against 10 people including Abdul Quaiyum, vice-president of Habiganj district unit of BNP and also chief of Zia Gobeshona Parishad. Quaiyum was made the prime accused of the case.

Among the 10, eight including Quaiyum are in jail now while two others are still at large.

However, Kibria's wife and his son Reza Kibria had rejected the charge sheet and demanded fresh investigation.