Islamabad, Pakistan – After three days, talks between Pakistan and Afghanistan in Istanbul, aimed at ending a tense and violent standoff between the South Asian neighbours, appeared to have hit a wall in Istanbul on Tuesday.Mediated by Qatar and Türkiye, the negotiations followed an initial round of dialogue in Doha, which produced a temporary ceasefire on October 19 after a week of fighting that left dozens dead on both sides.Recommended Stories list of 4 itemsend of listBut even though officials and experts said that “last-ditch” efforts were expected to continue to try to pull the two countries back from a full-fledged conflict, the prospects of new hostilities between them loom large after their inability, so far, to build on the Doha truce, analysts say.Pakistani security officials said that on Monday, talks went on for nearly 18 hours. But they accused the Afghan delegation of changing its position on Islamabad’s central demand – that Kabul crack down on the Pakistan Taliban armed group, known by the acronym TTP. One official, speaking to Al Jazeera on condition of anonymity because of the sensitivity of the dialogue, alleged that the “instructions received from Kabul” for the Afghan team were complicating negotiations.Kabul, however, blamed the Pakistani delegation for a “lack of coordination,” claiming the Pakistani side was “not presenting clear arguments” and kept “leaving the negotiating table”, Afghan media reported.The Afghan team is being led by the deputy minister for administrative affairs at the Ministry of Interior, Haji Najib, while Pakistan has not publicly disclosed it …