At least 14 members of the Afghan military were killed during acts of weekend violence across the country. Insurgents across the border in Pakistan torched a convoy carrying fuel supplies to U.S. an NATO forces in Afghanistan though no major injuries were reported in the Sunday incident.
U.N. envoy to Afghanistan Jan Kubis called for peace as Muslims across the world mark the holy month of Ramadan.
"Afghanistan has endured more than three decades of violence and is undergoing a political and security transition, which is vital to its future development," he said in a statement. "I take the opportunity to also call upon all parties to the conflict to respect the sanctity of this month and allow Afghan families to worship and celebrate in peace."
NATO last month handed over security responsibility to its Afghan counterparts as international forces prepare to take on an oversight role in the country.
The Taliban published a report Monday saying at least 25 civilians were "martyred" by Afghan or international forces in June.