At least six people were killed and nine others injured as clashes between rival tribes continued in Kurram Agency today. The deadline set by the Interior Adviser Rehman Malik to end the fighting has also expired today. According to sources, clashes continued on Monday while both sides used artillery, mortar missiles and automated weapons. Fresh fighting killed six persons and injured nine others. More than 300 injured have been brought to Parachinar, Saddah and Alizai hospitals.