The External Affairs Minister S M Krishna on Wednesday said that the foreign tourists have nothing to worry. He was reacting to the US travel advisory on security concerns over travel to certain parts of India including Andhra Pradesh. He told reporters in New Delhi that India is a very safe country and thousands of foreigners have been moving freely in the length and breadth of the country. AIR correspondent adds that this is the third travel alert issued by the US since the 29th October. <br/><br/>