After the Saudi government handed over fake Pakistani passports to Islamabad, the British authorities have also returned 61 suspicious passports to the Pakistani authorities, reported 24NewsHD TV channel on Wednesday.
The federal government has also instructed Federal Investigation Agency (FIA) Immigration to investigate the matter.
Sources revealed that foreign nationals arrived in Britain using fake Pakistani passports after altering their Pakistani immigration data.
All the fake passports were handed over to Immigration and Passport authorities, sources added.
The lamination papers and data papers of the passports provided by the United Kingdom are fake.
The passports provided are not printed at the Pakistan Passport and Immigration Printing Press, sources said.
From where the passports were printed and who are the facilitators are being investigated, said sources.
Immigration, name and parentage data were also entered incorrectly in the passport, sources said.
The family tree of various people was also illegally used in the fake passport.
FIA had earlier also taken action against NADRA and passport authorities for making fake passports.
Sources revealed that Afghan citizens were involved in making fake passports in connivance with agents and government officials and FIA had taken action against 16 people for making fake passports.
Reporter: Tayyab Saif