UJJAIN : A group of four unidentified persons assaulted a two youths and robbed them of cash and mobile phones here at Chintaman road, here on Wednesday. The victims were identified as Pradeep and Rohit who later registered a complaint with Neelganga police. The victims in their complaint said, they were returning from a marriage function which was being held at Jawasiya village. The four unknown inebriated miscreants stopped them at Lalpul and robbed them at knifepoint. The allegedly injured one other friend of Pradeep who was coming behind the on another motorcycle. The police have registered a case under Section 394 of the IPC and are searching for the robbers.