PARIS - Australia on Monday became the lastest nation to welcome Kosovo's declaration of independence, joining the United States and several European powers, despite fierce objections from Serbia and Russia.

But China was among countries unhappy with Kosovo's breakaway from Serbia, declaring it was "deeply concerned" about the future of peace in the region.

"The unilateral approach by Kosovo may cause a series of consequences and lead to severe negative influences on the peace and stability of the Balkan region," foreign ministry spokesman Liu Jianchao said in a statement.

"China expresses deep concern about this."

Australian Prime Minister Kevin Rudd said diplomatic recognition of the new state would be offered soon.