The stabbing occurred around 3:40 p.m. Wednesday during a fight involving two pairs of friends.
Police say 18-year-old Jayd Hampton and her friend were getting off the bus when her friend accidentally stepped on the foot of the victim's 14-year-old friend.
Police say the four teens began to fight and Hampton stabbed the 15-year-old several times in her arms, face, neck and back, before jumping on a bus to escape.
Police intercepted the bus within 15 minutes and Hampton was taken into custody, charged with felony assault and possession of a deadly weapon during a felony.
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