Prime Minister Shehbaz Sharif has expressed the resolve to address issues of Karachi as it is an important metropolis and backbone of country's economy.He expressed this commitment, while talking to a delegation of the Muttahida Qaumi Movement-Pakistan, led by Minister for Education and Professional Training Dr. Khalid Maqbool Siddiqui in Islamabad today.Acknowledging MQM-Pakistan as a significant government ally, the Prime Minister reaffirmed the commitment to continue collaboration with coalition partners to tackle nation's challenges.The delegation also submitted budget proposals for the upcoming financial year.Shehbaz Sharif expressed appreciation for the input from the MQM-Pakistan.Source: Radio Pakistan