The PTI chief also hit out at former prime minster Nawaz Sharif, who has been sentenced to 11-years in prison over his family's purchase of luxury apartments in London, saying Nawaz's arrest will herald the dawn of a new Pakistan. She has been on life support - on a ventilator - for over a month, and had even slipped into coma.
No official reason was given but the party, the Pakistan Muslim League-Nawaz (PML-N), says it is an attempt to stifle its ability to launch street protests. "I have done what I could".
"They are coming home and I would not let them go to jail". But I'm doing this for people of Pakistan, sacrificing for generations to come.
If the flight carrying the PML-N leaders is not diverted to the federal capital, they will be taken to Islamabad via helicopter directly from the airport.
Pakistan Muslim League-Nawaz (PML-N) leader Maryam Nawaz Sharif tweeted, "Told my kids to be courageous in the face of oppression. If they will be sent to jail, then I will also go with them", Sharif's mother said.
Earlier on Thursday, Sharif had a farewell meeting with former finance minister Ishaq Dar in London, before leaving for Abu Dhabi.
He was presented in an accountability court in Islamabad by the NAB before being shifted to Adiala Jail. The National Accountability Bureau (NAB) and the Punjab government have devised a comprehensive strategy for their arrest at the airport. Deputy Inspector General Operations Shahzad Akbar said 10,000 police officers will be deployed across Lahore on Friday to "maintain law and order".
Officials have said a helicopter each had been positioned at airports in Islamabad and Lahore airports for the arrest.
"Section 144 has been imposed for us while Imran Khan has been permitted to hold a rally in Defence Housing Authority", he said, adding, "You can do all the rigging you want, we will still win the July 25 polls".
Urging the Election Commission of Pakistan (ECP) to take notice of the emerging situation, the PML-N president said, "By the time our workers are released polls will be over".
The father-daughter duo, who traveled to London just before Eid ul Fitr to be with ailing Begum Kulsoom Nawaz, are scheduled to arrive in Lahore on Friday at 6:15 pm.
Pakistan's media regulator has ordered television channels to stop live telecast of briefings of political leaders containing "defamatory and derogatory content" ahead for former Prime Minister Nawaz Sharif's return to the country on Friday, NDTV reported.