Perth County OPP responded to a collision between a transport truck and a minivan on Perth Road 121 and Line 67 near Milverton Thursday afternoon.

It happened at around 4:30 p.m. The transport truck collided with the driver’s side of the minivan.

There were four adults and three children in the van.

At least three people had to be extricated from the vehicle.

All seven people in the van had to be taken to hospital. One adult male, and a male child were transported from the scene to a London hospital by air ambulance.

The 23-year-old truck driver was not injured.

Perth Road 121 from Line 61 to Perth Line 72 was closed while the OPP investigated.

Charges are pending.