A 14-year-old girl is in a critical condition in hospital after she was knocked off her bicycle by a car in Hillsborough.
The collision happened at Aghnatrisk Road, Culcavy near Hillsborough around 5.30pm on Saturday.
A PSNI spokesman said the girl was taken to the Royal Victoria Hospital with leg and head injuries.
Police at Lisburn are appealing for information.
Inspector Jim McGrillen said: “We would like to hear from anyone who saw the incident involving the cycle and the Audi car, or saw them on the road beforehand.
“The incident occurred about a mile from the Culcavy Road/Harry’s Road junction. Please call Lisburn station on the 101 non-emergency number and the quote the reference 990 of August 8.”