The bus had stopped on the National Highway to change a deflated tyre when the speeding trailer bumped into it from behind, they said.
The police said 18 people were killed in the accident. Officials at the Edhi ambulance service said that they shifted 30 injured to Hala and Hyderabad civil hospitals. Road accidents are common in Pakistan. Most of them are caused due to reckless driving and bad roads.
(This story has not been edited by Devdiscourse staff and is auto-generated from a syndicated feed.)