Special officials and personnel of the Local Intelligence Unit (LIU) have been asked to step up vigil and stay in coordination with the Intelligence Bureau (IB) and other intelligence wings, a home department official said.

Security deployment has been increased at the railway stations - Raja Mandi, Fort and Cantonment - and bus stations in the city.

The security has also been enhanced following a letter threatening a terror attack "somewhere" on the Yamuna Expressway, which connects Agra with New Delhi.

Special security personnel  and sharp shooters would be positioned on vantage and high-positions, officials said.

Seventy-five Anti-Terror Squad (ATS) personnel will be deployed on the outer periphery of the security ring protecting the US president, sources said while adding that the international security of Obama will be taken care by special forces, specially requisitioned from Delhi and the inner most ring would be of special secret service agents from the United States.

Many hotels in the Cant area are also being booked for advance teams of the Secret Service.

Obama had missed out visiting Taj Mahal on his previous visit to India and has shown his interest to visit the monument of love this time.

The US President is arriving in India on January 25. He will be the chief guest at the Republic Day Parade on January 26.


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