The drone hovered silently above the deserted playground. Alert. Waiting. Watching.
Its handler, tucked deep inside a military bunker many miles away, panicked. Drone X3Z4S1 had gone rogue. Despite all the fail-safe procedures they had in place the thing was steadfastly refusing to respond. All they could do was monitor its progress on their screens and pray.
There was a movement from the far corner of the playground. Two young lovers, hand in hand, were strolling towards their favourite secluded park bench, unaware they were being watched.
The drone’s weapons system locked onto the target and then fired.