ISLAMABAD:- PML-N President Nawaz Sharif summoned an important meeting of the party leaders here on Monday to discuss important issues including political situation, NAB cases, legislative matters before the assembly, legal issues and demand by some political parties for early elections. Nawaz will leave Lahore for Islamabad on Monday morning and chair the party meeting at Punjab House. Reports said that all the senior leaders of the party have been asked to be present in the capital for the meeting.–INP