Kind stranger runs onstage to dance with little girl when classmate abandons her in front of audience

This is the tear-jerking moment a kind stranger ran onstage to dance with a little girl when her classmate abandoned her in the middle of a performance.

The heroic dad, Donovan van Dieman, sprang into action to spare the youngster from embarrassment when she was left alone while the other kids danced with their pair during a graduation ceremony interlude at the Searidge Park Primary School in Western Cape, South Africa on December 3