The US special envoy to Afghanistan and Pakistan on Sunday confirmed a meeting with the Haqqani militant group, as signs of a dialogue between the United States and militants continue to grow, dpa reported . "We had one meeting with Haqqani network," Marc Grossman told a news conference in Kabul. His remarks come after US and the Taliban militants confirmed preliminary talks for opening an liaison office for the Taliban in the Qatari capital of Doha - increasing speculation of an end to the decade-long bloody militancy in this war-torn country.