The Coordinator of the Sultan Foundation for Peace and Development and Emir of Argugungu, Alhaji Samaila Muhammad Mera, has urged governments at all levels to increase efforts in curtailing maternal mortality in Nigeria. He made the call in Kaduna after a one-day review meeting with the Northern Traditional Leaders Committee on Ending Violence against Women and Girls in Northern Nigeria organized by the foundation in conjunction with the United Nations Population Fund (UNFPA).