Pakistan Muslim League-Nawaz (PML-N) supremo Nawaz Sharif on Saturday asked Prime Minister Shehbaz Sharif to take immediate legal action against PTI Chairman Imran Khan over statements against Pakistan Army, a private TV channel reported. According to the TV channel, PM Shehbaz and Nawaz Sharif held a telephonic conversation to discuss controversial statements of former prime minister Imran Khan. Nawaz Sharif said that PTI Chief is spewing hatred against state institutions and asked the premier to take all legal steps in light of statement by Inter Services Public Relations (ISPR). PM Shehbaz said Imran Khan is a security risk and we have initiated action against him. A high level meeting has been convened in Lahore to discuss the matter, he informed.