Four students in critical condition following school bus crash near Smoky Lake

File photo of STARS air ambulance. Gavin Young / Postmedia

Four students remain in hospital in critical condition after a crane collided with a school bus along Highway 28 Monday morning.

RCMP confirmed the crash happened around 8:30 a.m. along the highway at Range Road 180. Police said the bus was trying to cross the highway at Range Road 180 when the collision happened.

Aspen View Public Schools (AVPS) confirmed the school bus was transporting 14 students to H.A. Kostash, a K-12 school.

Alberta Health Services said on Tuesday two patients — a boy and a teenage girl — were airlifted to Edmonton by STARS in critical condition. Two more children were transported by ground ambulance to Edmonton also in critical condition. Ground ambulances also transported a man and a child to Edmonton in serious but stable condition as well as another patient who was in stable condition.

Another patient was transported by ground ambulance to the city in stable condition.

In total, 16 patients were assessed by emergency services or in hospital.

The driver of the crane was taken to hospital with minor injuries, police said, and a passenger was not injured.

RCMP say there are no charges at the moment as the investigation is ongoing.