United States has credible information about terrorists planning to carry out strike in some Indian cities and target American nationals. US Embassy in New Delhi has issued a warning alerting its citizens. <br/> <br/>The Warden message issued by the US Embassy said ; markets, located in Chandni Chowk, Connaught Place, Greater Kailash, Karol Bagh, Mehrauli, and Sarojini Nagar, can be especially attractive targets for terrorist groups. <br/> <br/>Assistant Secretary of State for Public Affairs P J Crowley, during his briefing in Washington, said that the relevant information has been shared with Indian Government and there is co-operation between the intelligence agencies of the two countries to jointly thwart such a terrorist threat.<br/> <br/>However, Mr Crowley did not specify which terrorist outfits are planning such an attack in India particularly at places where US citizens or Westerners are known to congregate or visit. <br/> <br/>He also declined to provide any additional information about the Warden Message, which said that the US continues to receive intelligence information about terrorists planning attacks in India.<br/>