The Ambulance with registration number GT – 7348-15, reportedly crashed into the truck with registration number, GV 1453-14, when other cars on the road delayed in paving the way for the speeding ambulance.
The casualties have been confirmed by the Western regional MTTD Commander Chief Supt Richard Appiah.
Two of the passengers who survived the accident are being treated in a nearby health facility.
On Thursday, nearly 10 people died in accident at Teacher Mante near Nsawam in the Eastern region.