Three traffic police personnel were attacked by two youths with a knife at AG Square here on Tuesday.
An exchange of words took place between the youths and the cops after the latter intercepted the duo at the square as helmet checking was going on at the spot and they were riding a bike without wearing the protective device.
The incident soon turned violent as the youths attacked the policemen with a knife.
Odisha Armed Police Service (OAPS) officer Mahendra Biswal, constables Rohan Swain and Gyanaranjan Das sustained injuries on their necks and hands and were admitted to the Capital Hospital here in a critical conditions. Police detained the assailants, and a case was registered against them at the Capital police station.