ISLAMABAD: Pakistan Muslim League-Nawaz (PML-N) Chief Organiser Maryam Nawaz on Sunday took a jibe at Pakistan Tehreek-e-Insaf (PTI) Chairman Imran Khan and asked her father Nawaz Sharif to lend some of his courage to the PTI chief who had allegedly escaped from his residence Zaman Park fearing arrest. In a statement on Twitter, she mocked the PTI chief, saying that