Perth County OPP says charges are pending following a collision between a transport truck and a minivan near Milverton.
It happened around 4:30 Thursday afternoon on Perth Road 121 and Line 67.
There were four adults and three children in the minivan and at least three people had to be extricated.
All seven people in the van had to be taken to hospital. One person was transported by Ornge air ambulance to a London hospital.
The truck driver was not injured.
Perth Road 121 from Line 61 to Perth Line 72 was closed until 10 p.m. for the investigation.
