Muslim League (N) leader Nawaz Sharif called on Turkish Prime Minister Recep Tayyap Erdogan here on Monday morning. Nawaz Sharif called for joint cooperation between Pakistan and Turkey to meet the challenges of militancy and extremism. He also thanked Turkish government for its help in reconstruction of the earthquake hit region. Turkish prime minister assured his countrys all out help to Pakistan. PML-N leaders Chaudhry Nisar and Ishaq Dar were also present in the meeting.