Interior Ministry has put names of former prime minister Nawaz Sharif and his daughter Maryam Nawaz on the Exit Control List (ECL) on Tuesday.
Both father and daughter are currently in London with Nawaz's ailing wife Kulsoom Nawaz, they are expected to return back to Pakistan on July 13 (Friday).
The names of the former prime minister and his daughter have been put on ECL after the Accountability Court's verdict in the Avenfield reference, according to which they held convicted in the Avenfield reference.
Prior to that, the National Accountability Bureau (NAB) had written three different letters to the interior ministry requesting the names of Nawaz and Maryam to be put on ECL in February, June, and July but to no avail.
They are expected to be arrested during the immigration process at the airport as per standard procedure for all those placed on ECL.
After their arrival in Lahore, sources said the two are expected to be directly moved to Adiala Jail in Rawalpindi.
Earlier, according to the sources, Director General (DG) National Accountability Bureau (NAB) Lahore has sought permission through a letter from Chairman NAB for moving both father and daughter to Adiala jail via helicopter.
Director General NAB Lahore, Shehzad Saleem, through his letter, requested the NAB chairman to provide helicopter for transferring the two high-profile figures.
The sources further informed that Nawaz and Maryam will be arrested from the airport, adding that the NAB Chairman will contact the Ministries of Interior and Defence for providing a helicopter.