Kabul, July 17 (ANI): A fierce gunbattle continued between the Afghan security forces and militants who had climbed up a nearby building to shoot at the Kabul International Airport on Thursday. The attack on the airport, used by civilians and the military, comes at a time of great uncertainty for Afghanistan as votes from the second round of a disputed presidential election are to be recounted. The poll is meant to mark Afghanistan_s first democratic transfer of power. Officials said a number of militants had burst into a building just north of the airport but were quickly surrounded by Afghan forces. Kabul police said the airport was undamaged, and one police officer suffered minor injuries and it was unclear how many insurgents were involved. NATO forces said they were aware of reports of an attack on the airport but could not give more details.