PM Shahid Khaqan, Shahbaz Sharif meet Nawaz Sharif
Punjab Chief Minister Shehbaz Sharif received the prime minister at the airport.
Following his arrival, the premier departed for Jati Umra, Nawaz Sharif's residence, along with Shehbaz on a helicopter.
Sources said the meeting will see discussion on the country's political situation, party affairs and strategy for the upcoming elections, among other issues.
Sources said that later, Federal Railways Minister Saad Rafique joined the meeting, where the party leaders will also discuss their plan to deal with the joint opposition protest starting on Wednesday.
The protest, a brainchild of Pakistan Awami Tehreek chief Dr Tahirul Qadri, will be held on January 17.
The countries largest opposition parties, the Pakistan Peoples Party and Pakistan Tehreek-e-Insaf, have agreed to join the protest which calls for the dismissal of the PML-N government.