Two seriously after two cars collided and then crashed into spectators at a Charity Motor event in stevenage last night. Hertfordshire police say theyve interviewed the drivers of both cars involved in the incident. Sarah campbell reports. Fast cars being driven at speed along public roads. Hundreds had gathered to watch from the verges and central reservation. The danger appears obvious, the outcome almost inevitable. A car pulls out, collides with another and both plough into the watching crowds. So there were people standing all there and there . Kim chowdhary, a nurse, was watching from the roadside and immediately went to help. Someone said they thought shed, like, flipped in the air so ijust grabbed her head, and yeah, ijust felt under her head and she had a massive i got blood on my hands, so i knew shed smashed her head. Youre a nurse, youre used to seeing injured people, but even so, how bad was it . Ijust burst into tears after it because it was just, i think obviously when i