A gang of robbers, wielding AK 47 rifles and other deadly weapons, on Monday morning attacked a Metro Mass Transit bus and three other vehicles on the Sefwi-Asawinso-Bibiani road, beating and robbing travellers of their valuables.They also shot and injured the driver of the bus, Mohammed Karim, 45, and one other passenger, John Tawiah, in the right arm.The two were sent to the Komfo Anokye Teaching Hospital (KATH) and the Bibiani Government Hospital, respectively, for treatment of the gunshot wounds.Police Superintendent Francis Enorh, the Bibiani District Commander, confirmed the incident to the Ghana News Agency and said the robbers struck at about 0600 hours.They had blocked the road near Nanboro, a farming community, and as the bus driver attempted to drive through the blockade, the vehicle came under a hail of bullets, hitting Karim in the right ankle and Tawiah in the arm.Karim lost control of the steering wheel and veered off into the bush, putting the passengers at the mercy of the robbers. They violently assaulted, seized monies, cellular phones and other valuables from the victims.Superintendent Enorh said travellers on three other vehicles that emerged at the scene also suffered the same fate.The robbers fled after the attack and no arrest had been made.The Commander said the police would do everything to arrest and bring the criminals to justice.