Police and emergency services are responding to a serious crash, involving two cars, at the intersection of Artillery Road and Yeppoon Road, Ironpot this morning.
The first vehicle had a woman and two children inside. There was a woman and three children in the second vehicle.
Early information indicates that one vehicle was travelling east on Yeppoon Road when it entered the middle of the intersection, collided with the side of the other car which had been heading north on Artillery Road.
Two children from the second vehicle have been transported to hospital in a critical condition.
Traffic is currently being diverted along Emu Park Road.
The Forensic Crash Unit is investigating.
If you have information for police, contact Policelink on 131 444 or provide information using the online form 24hrs per day.
You can report information about crime anonymously to Crime Stoppers, a registered charity and community volunteer organisation, by calling 1800 333 000 or via crimestoppersqld.com.au 24hrs per day.