A pair of sisters from Preston have been killed in Pakistan following a suspected gas leak, according to reports.

Maria and Nadia Rehman, 24 and 17, were in Gujrat, Pakistan, for the anniversary of their granddad's funeral.

The siblings were were found lying unconscious on the floor at a property in the city, in the Punjab province, on January 12.

According to reports in Pakistan, they were killed by gas leaking from a boiler in the bathroom.

Maria and Nadia were visiting the country with their parents Abdul and Zarina Rehman.

The family were in Gujrat on the anniversary of their grandfather's funeral

A relative told the Sun the family has been 'deeply shocked' by the incident.

She added: "We know exactly what happened, it was a gas leak.

“There have been rumours across Facebook that are not true."

Police are carrying out an investigation into the incident.

A Foreign and Commonwealth Office spokesperson previously said: “We are in contact with the local authorities following the death of two British women in Gujrat, Pakistan, and have offered consular support to the family.”

The sisters are said to have been buried in a local cemetery.

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