Speaking to journalists in Bishkek, the head of the Kyrgyz office of the UNHCR, Carlos Zaccagnini, denied to give details of the operation.
"The country of destination does not wish this to be disclosed at this time, and they have very good reasons and so I think we should respect that given the very complex situation that we are living in with this crisis. It is only a matter of good sense that this not be disclosed at the moment. You will, soon enough and all your [listeners] will soon enough, learn that."
Hundreds of Uzbek refugees fled Uzbekistan in May following an uprising and a military crackdown in the eastern Uzbek city of Andijon in which scores were killed.
Uzbekistan has called on Kyrgyzstan to hand over 12 of 29 refugees being detained by Kyrgyzstan. (AFP/Reuters/AP)