According to police and local authorities, a speeding truck carrying fertilizers hit a mini truck with tomatoes; as a result tomatoes got mixed with chemicals. Shortly after, a buffalo herd moved to the accident site and ate the toxic tomatoes.
The owners of the animals blocked the road in protest for hours until the local authorities assured them that they would be compensated, Pakistani media said.
Rahim Yar Khan is one of the major agricultural districts of Pakistan's Punjab Province.