The arrested were identified as Tarek Mahmud, son of Late Nur Miah, Salam Ali, son of Abdur Rashid and Shamsuddin Ahmed Saju, son of Main Uddin, all hailing from city's Munshipara area, an official said. Of the three, one was arrested from Dhaka.

Police yesterday produced the arrestees before a magistrate's court that placed each on a nine-day remand.

The Officer-in-Charge (OC) of Kotwali Police Station SA Newazi, who was withdrawn Wednesday night handed over to the OC of South Surma Police Station Shafiqur Rahman Mukul the same night.

Newazi was asked to join Saroda Police Academy.

The grenade blast that killed three people and wounded 70 including the British High Commissioner to Bangladesh Anwar Choudhury on May 21 at the shrine of Hazrat Shahjalal (RA) prompted the law enforcing authorities to opt for reshuffling.

Superintendent of Police (SP) of Sylhet Shahadat Hossain was suspended and withdrawn on May 24 for his neglect in arranging security for the Bangladeshi born British envoy. Shahadat handed over charge to the Additional SP Rezaul Karim on May 25. Besides, the Assistant Superintendent of Police, Sylhet Sadar (North) Siddiqui Tanjilur Rahman was also transferred to Bheramara, Kushtia on May 31.

Apprehending more changes in the pipeline the police officials here are gripped by transfer scare, said an official.

Earlier an intelligence agency had reported fatal flaws in the security measures taken by the local police during the British high commissioner's May 21 visit to Sylhet.It also suggested the police officers in the district headquarters who did not attend duty on that day be withdrawn immediately, sources said.

High officials including the inspector general of police who visited Sylhet after the blast also detected a number of defects in the security arrangements for the British envoy, sources added.