"Until this minute, we have not received anything from the border guards about Turkish forces crossing the international border," Zebari told Reuters by telephone.
Turkey's military said it had launched the ground offensive, backed by fighter aircraft, to attack PKK militants.
The Kurdish Regional Government in the largely autonomous area denied there had been any ground incursion.
"There has been no incursion by the Turkish forces in the Kurdistan region," said Falah Mustapha, in charge of foreign relations for the KRG.
A PKK source also denied there had been any ground attack.
Turkish broadcaster NTV reported, without citing sources, that 10,000 troops had entered Iraqi territory.
Güncelleme Tarihi: 22 Şubat 2008, 17:13