Within five hours, two accused including a minor who attacked had policeman at Anand Nagar trisection during Durga idol immersion possession were arrested by joint action of police station Piplani and crime branch.
Police arrested both the accused who attacked fatally on the traffic policeman, the sharp edged weapon used in the incident has been recovered.
At 9 pm the attacker escaped from the spot after attacking the policeman handling the traffic at Anand Nagar Tiraha.
On Thursday the traffic policeman, Anil Kumar Yadav, who was on duty during the Durga idol immersion procession during which he stopped two boys who passing lewd comments and molesting women and girls.
The two attacked Yadav with sharp edged weapon injuring him severely and escaped the spot.
After registering the crime, a special team of police constituted from the scene of the incident systematically examined the CCTV footage, questioned about two dozen people, using technical resources to identify different routes and possible places.
Close observation of about 25 CCTV cameras was done and arrested the accused late in the night as per the description of the accused.
The two accused were Hrithik Mehra (17) of Piplani while other is a minor boy.