Tawheedi said the Taliban commander and his troops surrendered near Baghran, in Afghanistan's southern province of Helmand.

CNN: Taliban commander questioned on Omar's whereabouts

U.S. officials have told CNN there are up to 1, 500 heavily armed Taliban fighters in the Baghran area.

CNN: Taliban commander questioned on Omar's whereabouts

"He is still surrounded in the Baghran area of Helmand province, " Ullah said.

CNN: Taliban commander questioned on Omar's whereabouts

Intelligence information has indicated that Taliban supreme leader Mullah Mohammed Omar is in Helmand province, near Baghran, where Taliban fighters recently have begun surrendering.

CNN: Cave searches yield info, al Qaeda casualties

But he warns that surrender deals in Afghanistan often take days to finalise and there is no certainty that Mullah Omar's fate is settled, if indeed he actually is in Baghran.

BBC: Afghans 'negotiating Omar handover'

According to the BBC's Ian MacWilliam in Kabul, Baghran lies in a poor, remote and mountainous region, which would have difficulty supporting large numbers of fighters at the best of times.

BBC: Afghans 'negotiating Omar handover'