Qld cop critical after being struck by car

Two teenagers have been charged with attempting to murder a police officer who has critical head and internal injuries after being struck by an allegedly stolen car in Queensland.

Constable Peter McAulay, 24, was in an induced coma on Thursday evening after being hit by the car at Booval in Ipswich about 5am on Thursday.

He had just placed tyre spikes on a road to stop the car when he was struck.

The two accused teens allegedly tried to flee the vehicle but were tracked down with the help of the dog squad.

A 16-year-old boy and a 15-year-old girl have both been charged with one count each of attempted murder and unlawful use of a motor vehicle.

Police say Const McAulay underwent surgery at Brisbane's Princess Alexandra Hospital on Thursday and remains in a critical condition.

Const McAulay also sustained broken bones and fractures in the incident.

"It is the sincere hope of the QPS that Constable McAulay's condition improves as he is treated for his very serious injuries," police said in a statement.

Acting Superintendent Melissa Adams said the incident has been difficult for the local police.

"We're a very close knit policing district, we look after ourselves, and our thoughts are with him and his family, we ask people to say a prayer for him," she said.

Brisbane Road has since been reopened in the wake of the incident.