Three people, believed to be two parents and their child, from Nelson, Lancs died in the incident that took place in the early hours of Thursday morning.
A spokesman for Lancashire police said: "We were informed that an incident had taken place in Pakistan.
"We are currently liaising with authorities in Pakistan.
"We have also made contact with family in Nelson regarding the incident."
A foreign office spokesman confirmed that the incident had taken place in a village in the district of Gujrat in north east Pakistan. They did not give further details about the family.
