spokesman Ahmad Zia Abdulzai said, however, that the mine was planted by "the enemies of Afghanistan" -- a reference to the Taliban -- even if it had been in that spot for some time.Most of the bodies were so badly shattered that they could hardly be recognised, Dawlatzai said.Despite international clearance efforts, more than three decades of war have left Afghanistan one of the most heavily-mined countries in the world.The explosives were placed during three recent conflicts: the 1980s war against the Soviets, the 1990s civil war, and during fighting between the Northern Alliance and the Taliban before they were ousted from power in 2001.The Taliban now plant bombs, or improvised explosive devices, to target Afghan troops and their NATO backers but these regularly kill civilians.Media playback is unsupported on your device Media caption Trump says will accept result 'if I win'

Republican candidate Donald Trump has hinted that he may challenge the result of the US presidential election if he loses.

"I'll keep you in suspense," he said when asked, in the final TV debate against Democrat rival Hillary Clinton, whether he would accept the result.

Pressed for a response by moderator Chris Wallace, Mr Trump deflected again, saying: "I will tell you at the time."

His comments were supported by his campaign team, but they go against a long and important tradition in US politics that the loser recognises the result and congratulates his or her rival.

Mr Trump's campaign manager Kellyanne Conway and his adviser, former New York Mayor Rudy Giuliani, said the candidate's stance