Police locked down New Delhi's key government district ahead of Monday's visit by Russian President Vladimir Putin, after two days of pitched street battles following the gang rape of a woman on a bus. Putin is scheduled  to meet with Indian prime minister Manmohan Singh Monday afternoon and later with  the Indian president. Authorities erected security barriers throughout the city's Raisina Hills area -- home to the presidential mansion, the parliament building and federal ministerial blocks. Only those authorized to work in the district were allowed to pass. Surviving rape, iReporters speak out Furious weekend demonstrations rocked Raisina Hills as public outrage surged after a 23-year-old woman was sexually assaulted and beaten to near death on a bus on December 16 by a group of six suspects, now under arrest, police say.
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Russian President Vladimir Putin is due visit India Monday
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New Delhi's government district is under a lockdown
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Protesters demonstrate after the gang rape of a woman on a bus
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Police say the woman was badly beaten and left for dead
In addition to banners and cardboard placards, many demonstrators carried @placeholder flags as they scuffled with police.
Earlier in the day, @placeholder called for calm after clashes escalated.