Hyderabad: Tension escalated in Khairatabad after Congress leaders tried to lay siege to Rajbhavan and a heated argument took place between police and Congress leaders. Congress senior leader Renuka Chowdary was seen holding a police collar during the protest and now the visuals are doing rounds on the internet. Other police on the spot intervened in the situation and tried to control the situation. Later, the police took her to the police station in a vehicle. It is known that Congress leaders gave Chalo Rajbhavan against Rahul Gandhi's questioning of the Enforcement Directorate in the National Herald case.