RCMP have confirmed that a young girl has been killed in a crash on Monday afternoon near the community of Dunmore, Alberta.

Redcliff RCMP and other emergency crews were called to the scene of a crash at Highway 1 and Highway 41 shortly before 4:00 p.m.

Officials say the crash involved a transport truck and a Pontiac Sunfire sedan.

Police say that one of the occupants of the Sunfire, a nine-year-old girl, was killed in the crash.

Two other passengers, both aged 12, were taken to hospital in life threatening condition while the female driver was in serious but stable condition.

Officials say one of the girls is now in stable condition but her twin sister still remains critical.

Police say all of the passengers in the Sunfire are from Chestermere.

The driver of the transport truck was not injured.

Police shut down traffic on westbound Highway 1 as a result of the crash, but the route has since been reopened.

The cause has not yet been determined.