A Kenya Airways Embraer ERJ-190AR (5Y-KYR) was being serviced on the apron at Nairobi-Jomo Kenyatta International Airport in Kenya. Chocks were placed at the wheels. As the engine were powered, the aircraft jumped the chocks.
It collided with another parked Kenya Airways Embraer ERJ-190AR (5Y-FFF). Both aircraft suffered serious damage.