Prime Minister Manmohan Singh on Sunday asked the central and Maharashtra governments to take coordinated and effective action and speed up the probe into the Pune terror attack in which nine people were killed.

Directing the central and state governments "to take coordinated and effective action to speedily investigate the matter", Manmohan Singh told Union Home Minister P Chidambaram to ensure that "the culprits responsible for this heinous act are identified and brought to justice at the earliest", according to an official in the Prime Minister's Office.