New Delhi (PTI): The Left parties have condemned the serial blasts in Bangalore and accused the Centre of failing to uncover the terror network responsible for such attacks in the IT city as also in Jaipur a few months ago.

"Coming soon after the Jaipur blasts, it confirms that terrorist groups were active. It is a matter of concern that the Centre has so far failed to uncover the network behind these nefarious activities," the party Polit Bureau said in a statement.

Condemning the Bangalore blasts aimed at disrupting life in the city, it said "it is high time that intelligence and security agencies track down the culprits responsible."