Prime Minister Muhammad Shehbaz Sharif lays down a floral wreath at the Mausoleum of Quaid-e-Azam Muhammad Ali Jinnah during his visit to Karachi. APP17-240424 KARACHI: April 24 - Prime Minister Muhammad Shehbaz Sharif lays down a floral wreath at the Mausoleum of Quaid-e-Azam Muhammad Ali Jinnah during his visit to Karachi. APP17-240424KARACHI: April 24 -