QUETTA: Three persons including a tribal notable were killed and five others were injured two seriously in firing incident here Wednesday. According to details armed men riding a motorcycle opened fire on a vehicle near Govt Science College here today. As a result a tribal elder Abdul Rauf Kurd and two others were killed. Five persons were also injured. Condition of two of them is stated to be very serious. Firing spread serious fear and panic in the area. Shops at Prince Road and near Science College were immediately closed. Armed men ran away after firing. An emergency was declared in civil hospital.