BHAIRAHAWA: At least a dozen passengers were injured when a bus heading to Taulihawa of Bhairahawa from Kapilvastu met with an accident in Guruwaniya of Rupandehi on Saturday. According to the police four injured passengers are reported to be in a critical condition. All the injured are being treated in Bhairahawa Hospital. The police said that the accident occurred as the bus was moving at high speed.