Shahid Mohammed, 36, formerly of Huddersfield, will be formally charged with the murders of five children and three adults, when he appears at Leeds Magistrates Court tomorrow morning.
He is being extradited back to the United Kingdom by officers from West Yorkshire Police’s Homicide and Major Enquiry Team, with the support of the National Crime Agency, the British High Commission in Islamabad, the Crown Prosecution Service and local authorities in Pakistan.
He has been held in prison in Pakistan since he was located and arrested in Rawalpindi on 22 January 2015 following a joint operation between West Yorkshire Police, the NCA and Pakistani authorities.
He is being flown from Islamabad International Airport back to the UK, where he will be detained for court.
Detective Superintendent Nick Wallen of the Homicide and Major Enquiry Team, said: “This is a significant development in our investigation.
“I would like to express my sincere gratitude to all agencies here in the UK and in Pakistan who have worked tirelessly and supported West Yorkshire Police to ensure that this process has run smoothly to extradite him.
“At the centre of this investigation is the Chisthi family, who lost eight members of their family during the fatal house fire and have shown such dignity since the tragedy occurred in 2002.”
It is only the second extradition from Pakistan in more than 10 years.
Mohammed Zubair was extradited from Pakistan in May 2016 and was found guilty of murder at Bradford Crown Court in February 2017.
His extradition also followed an investigation and extradition request from West Yorkshire Police.