The DNA tests would be conducted as the last option in case the body parts of the Awami League MP could not be found, an officer of the Dhaka police visiting Kolkata as part of the investigation said.
Retired police officer O P Mathur, who had headed the probe into the Sohrabuddin fake encounter case as chief of Gujarat Central Investigation Department, appeared before the CBI for questioning on Thursday.
The Central Bureau of Investigation issued summons to Geetha Johri, the investigating officer in the fake encounter of Sohrabuddin Sheikh and killing of his wife Kausarbi, on Thursday and asked her to appear before the agency by August 10.
The Central Bureau of Investigation has summoned two retired Indian Police Service officers, who had at one point of time headed the probe into the Sohrabuddin Sheikh fake encounter case as chiefs of state Central Investigation Department, and questioned one of them.
The Central Investigation Department will conduct a probe into Monday's train tragedy at Sainthia in West Bengal which left 66 people dead and 89 injured.
Top Maoist leader Vekanteshwar Reddy alias Telugu Dipak, a close aide of Kishenji who was arrested in Kolkata on Tuesday, had focused on Nandigram, where a land war had been fought in 2007, besides adjoining Khejuri and Kolkata, a senior police official said.
The Orissa police has got a nod from a Delhi court to interrogate top Maoist leader Kobad Ghandy in connection with cases of Naxal violence including those relating to killing of police personnel.
West Bengal Director General of Police Bhupinder Singh said the police had found Pandrol clips (which tie the tracks) open along a 50-metre stretch at the accident spot and the blast theory was yet to be confirmed.
A key commander of the banned Tehreek-e-Taliban, who was involved in number of attacks on security forces and checkposts in Swat valley, has been arrested in Karachi.
The Railway Protection Force found the bomb and the Bomb Disposal Squad has arrived at the station to deactivate the explosive.
Rehman's body was found beside train tracks in Dum Dum in Kolkata on September 21.
Geelani cleared for Haj pilgrimage: J&K govt