KATHMANDU, NOV 12 – A passenger was injured after a petrol bomb was hurled inside a passenger bus at Balaju, Kathmandu on Tuesday.One Shiva Bajgain, 45, of Dhapakhel, was injured when two persons hurled a petrol bomb in the bus (Ba 2 Kha 9558) operating along the Ring-road.The bus was heading towards Airport from Balaju. According to the police, an alcohol bottle was used to prepare the petrol bomb . Bajgain sustained injuries in his forehead. The police have arrested two as per their facial description and have started the investigation.