Rahman was taken on a 10-day remand in the two cases filed with Kotwali Police Station in Sylhet under the Arms and Explosives acts.

Earlier, 223 cases were filed in connection with militancy and bomb attacks across the country, Home Secretary Safar Raj Hossain told reporters yesterday.

Rahman has been accused in at least 150 of these cases.

Police filed 154 cases for the August 17 blasts and 69 more were added later for bomb attacks, he added.

As many as 915 were arrested so far in the cases, Inspector General of Police yesterday told the press.

Police have submitted charge sheets in 122 cases, and trials of 61 cases have so far been started, the home secretary said.

Verdicts in four cases were given and 22 people were awarded death penalty, seven life imprisonment and one 15 years' jail, he added.

A trial court in Barisal on February 9 sentenced Rahman, Bangla Bhai, Molla Omar and Amzad alias Khalid Saifullah to 40 years' rigorous imprisonment under the Explosive Substances Act.