Warning: Contains footage some viewers might find distressing.CCTV footage shows the moment a speeding car hits a girl before driving off.South Wales Police is investigating the collision, which happened on Sloper Road in Cardiff at about 5.50pm on March 24.The footage shows the girl using her scooter along the pavement on the way back from the park with her mother and brother.A grey BMW can be seen overtaking a vehicle waiting at the junction of Langham Way and Sloper Road.

Warning: Contains footage some viewers might find distressing.CCTV footage shows the moment a speeding car hits a girl before driving off.South Wales Police is investigating the collision, which happened on Sloper Road in Cardiff at about 5.50pm on March 24.The footage shows the girl using her scooter along the pavement on the way back from the park with her mother and brother.A grey BMW can be seen overtaking a vehicle waiting at the junction of Langham Way and Sloper Road.