India, July 20 -- Delhi Police had tightened security around Jantar Mantar and Parliament in the wee hours of Monday ahead of the Cockroach Janta Party's (CJP) 'Chalo Sansad' march, declaring it unauthorised and deploying more than 2,000 personnel, paramilitary forces and anti-riot equipment to prevent any breach of law and order.

As the crowd at Jantar Mantar swelled to thousands in the early hours, police installed a double layer of barricades at four approach roads to the protest site while removing barricades and metal detectors from its immediate vicinity to enclose the gathering within a wider area.

By around 5am, police had left a narrow passage at each entry and exit point to allow people to move in and out of the protest venue....