Emergency crews are on scene of an accident involving a school bus in St. Louis County. The accident is on I-44, east of Lindbergh Boulevard near Kirkwood.

According to police, the bus driver is trapped and there are injuries. 10-15 children were on the bus at the time of the accident.

St. Louis Children's Hospital is anticipating 13 children. The extent of their injuries is unknown.

A school spokesperson said the children were going to Hanna Woods Elementary School from the city.

At least seven ambulances can be seen from MoDOT traffic cameras.

This is a developing story and 5 On Your Side has a crew on scene and will provide updates as we get them.