Even as investigators on Thursday were busy looking for concrete clues in three bomb blasts in Mumbai, Union Home Ministry said that all "angles were being probed."

After taking a complete review of all information and data available till Thursday evening, Secretary (Internal Security) in the Home Ministry U.K. Bansal told reporters that there was no "specific information to share at this moment".

Asked if there was any indication as to who could be behind the blasts in Mumbai, Mr. Bansal said that till now there was "no definite" information on it. "All terrorist outfits and organisations are suspect. There is no specific lead available as of now," he said.

He said that forensic experts had given their reports to Mumbai police which was analysing it.

On the possibility of cross border linkages with the blasts, Mr. Bansal said that as of now there was no ground to believe that there is any link of anyone from across the border.

Earlier, Union Home Secretary R.K. Singh did not rule out the involvement of a suicide bomber in the blasts.

"The National Security Guard Director General has informed that a body with circuit has been found from one of the sites. The body was found near the explosion site. We are not ruling out anything," he told reporters.