Warning comes after US President Joe Biden says 2,500 American troops may still be in Afghanistan beyond May deadline agreed to in year-old pact
Fighting comes as United States reviews February 2020 agreement with Taliban, which requires remaining American and allied forces to leave Afghanistan
The announcement comes as the Afghan government and the Taliban declare a three-day cease-fire coinciding with the Eid al-Adha Muslim holiday on Frida
The news of a potential deal with the Taliban and subsequent intra-Afghan dialogue comes amid an ongoing political struggle