Three bikers were killed and two others injured when three motorcycles collided near Kewta road in Samastipur district, Dalsinghsarai police station in-charge Subodh Chaudhary said.
The victims and the injured persons were drunk, he said. Efforts were on to ascertain the identity of these five bikers, Chaudhary said.
In another incident in Madhubani district, a biker was killed and another injured in a collision between two motorcycles near Dengrautara village, Deputy Superintendent of Police Nirmala Kumari said.
The victim has been identified as Sanjay Kumar (32), she said. The injured Raju Gupta was admitted to a primary health centre at Benipatti.