TWO children were flown to Princess Margaret Hospital for treatment after a car collided with a tree in Toodyay on Friday night.
A six-year-old girl in the car suffered a fractured leg and a boy (8) received a broken arm in the crash about 500m north-east of Lovers Lane.
Northam Police said the driver (37) of the Toyota Yaris was heading north-east when he failed to negotiate a right hand bend, left the sealed road and hit a tree.
He had non-life threatening injuries.
Police said an 11-week-old baby also in the car is believed to have escaped injury.
The driver and the baby boy were taken by St John Ambulance to Midland Hospital.
Police called to the accident about 9.50pm would like to speak to anyone who saw the accident or the vehicle prior to the crash.
Anyone with information is asked to call Crime Stoppers on 1800 333 000 or to make a report online at crimestopperswa.com.au