An Afghan Taliban fighter sits on a tank in Spin Boldak, Kandahar Province, near the Afghanistan-Pakistan border on October 15. Stringer/Reuters/File Islamabad, Pakistan AP —

Pakistani troops and Afghan forces exchanged fire late on Friday along the two countries’ tense border but no casualties or damage were reported. Each side blamed the other for triggering the clash in violation of a fragile ceasefire in place for the past two months.

Negotiations between Kabul and Islamabad aimed at easing border tensions and upholding the truce broke down in November but the ceasefire – brokered by Qatar in October – has mostly held.

The exchange came a day after Pakistan said it would allow the United Nations to send relief supplies into Afghanistan through the Chaman and Torkham borde

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