A red alert has been issued in Delhi, Indore and Kanpur. Earlier, a general advisory was issued to all states to be on alert.<br/>Home Minister P Chidambaram has dismissed the allegations of intelligence failure leading to Pune blast.<br/>Reacting to Mr Chidambarm's statement, Leader of Opposition in the Lok Sabha Sushma Swaraj has said the failure actually was on the part of the government.<br/>Pakistan Prime Minister Yusuf Raja Gillani has condemned the blast.