They were arrested in the city areas on Saturday according to information from four remanded PBCP men in Dhaka.

The Metropolitan Magistrate's Court placed Badrul Amin Pintu, 24, on the remand and rejected bail prayers of four others--Bhanu Begum, 30, Azizul Islam, 25, Shafi, 25 and Shahidul Islam, 27 and sent them to jail. Police sought 10-day remand for Pintu.

The district Detective Branch (DB) and Rajshahi Metropolitan Police jointly raided two PBCP hidehouts, including Rajshahi regional headquarters of PBCP, on Saturday and recovered explosives, ammunitions and documents. Police also recovered diaries and notebooks used by top PBCP leaders, several thousand books and booklets, PBCP newsletters, bulletins and hundreds of leaflets claiming responsibilities of different sensational killings.

Police said the outlaws had been continuing their activities from here in the northwestern region for the last five years.

Seven bullets and a knife were recovered from the possession of Pintu, police said. He was involved in more than half a dozen murders, police added.

Police recovered several thousand leaflets that claimed responsibilities of the murders of BNP leaders Prof Abdul Wahed, Majedur Rahman of Natore, Mansur Mridha of Manda (Naogaon), Abdul Hamid Moru of Bagmara and deputy minister Ruhul Kuddus Dulu's nephew Sabbir Ahmed Gama and Awami League leader Alo Khondokar.

Meanwhile, a Dhaka court on Saturday placed the four PBCP menAbdur Razzak, 28, Ali Tareq, 35, Shafi Sarkar, 29, and Mahfuzur Rahman Jewel on a five-day remand for the second time.