U.S. President Donald Trump says American troops will "immediately" begin their withdrawal from Afghanistan following the signing of a historic agreement with the Taliban that could end the country’s 18-year war.

 A 31-member Taliban delegation has arrived in Qatar to sign a U.S. troop withdrawal deal that could end the war in Afghanistan, officials of the hardline Islamist group said on Saturday.

Pakistan plans to complete the installation of a pair of nine-foot chicken wire fences, with a six-foot gap, and topped with barbed wire along the nearly 2,600-kilometer Afghan border

Against the backdrop of the United States' decision to cut down its army presence in Afghanistan, Afghan National Security Advisor (NSA) Hamdullah Mohib is expected to visit India later this week to discuss security ties between New Delhi and Kabul.