ISLAMABAD: Amid a worsening political crisis in the country, Prime MinisterShehbaz Sharifhas convened an urgent meeting of his coalition partnerstoday to discuss the future course of action vis-à-vis Pakistan Tehreek-e-Insaf Chairman Imran Khan, sources said. The huddle was summoned after the premier’s meeting with Pakistan Muslim League-Nawaz (PML-N) Senior Vice PresidentMaryam Nawaz in Lahore.