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Businesses, schools, universities, government buildings and transport hubs were all left without power and traffic light outages caused gridlocks.

The car handled every potential hazard which appeared in the busy streets including congestion, temporary traffic lights, cyclists and, at one point, a pedestrian using crutches in the middle of the road.

The automated tech handled every scenario without a hitch, including pedestrians in the road, parked cars, heavy traffic, temporary traffic lights and delivery bikes.

In Spain and Portugal, traffic lights stopped working, metro systems ground to a halt, and businesses were unable to accept card payments - triggering huge queues at the few cash machines that were still working.

Trains were cancelled and evacuated in some regions, and traffic lights stopped working as delays mounted at airports.