Inspector Neil Lumsden, head of road policing at Northern Constabulary, said: "As a result of the collision, a participating car has left the forestry track it was travelling on and collided with a group of spectators."
More top news
More than 50 dog surfers of all breeds and sizes joined an annual dog surfing competition in California
A painting by artist LS Lowry is to go on show to the public for the first time.
A third of Olympic and world championships medals have been won by athletes with allegedly suspicious doping test results, report claims