Afghanistan's ruling Taliban say they had downed an unmanned spy plane and a helicopter in areas where opposition forces reported sweeping advances.
Despite earlier contradictory statements today, Taliban officials said they had established that their forces had downed a pilotless drone aircraft over Tashkurghan with machinegun fire as well as a helicopter near Dara-i-Suf.
Both areas are in Samangan, around 240 km (150 miles) northwest of Kabul, where anti-Taliban commander General Rashid Dostum reported that his force of minority Uzbek fighters had made advances against the Taliban.
Mystery surrounded the origin of the spy plane, but a spokesman for the opposition Northern Alliance confirmed the helicopter crash -- although blaming it on a mechanical fault.
"The helicopter seems to have gone down because of technical reasons," said alliance spokesman Mohammad Ashraf Nadeem, adding that the fate of those on board was unknown.
The Taliban's ambassador in Islamabad, Mullah Abdul Saleem Zaeef, told reporters the spyplane had been downed while taking pictures over northern Afghanistan.
Washington frequently uses "drones" to fly observation and spy missions over Iraq, but the aircraft do not generally have defensive capabilities and made up the majority of planes shot down by Baghdad since the Gulf War.
A Pentagon spokesman in Washington would not comment on the report.
"It made two or three rounds in the area before being shot down. It was probably taking pictures," ambassador Zaeef said, adding that it was not badly damaged in the crash.
He said people who had inspected the downed plane were not aviation experts and could not say if it had any distinctive markings.