NATO and the United States warned Wednesday they could scale back cooperation with Kosovo's security services if the government goes ahead with plans to transform its lightly-armed security force into an army without the required constitutional changes.

NATO Secretary General Jens Stoltenberg said he told Kosovo's leaders by telephone "that unilateral steps such as these are unhelpful." He warned that if Kosovo goes ahead as planned "NATO will have to review its level of commitment, particularly in terms of capacity-building."

http://abcnews.go.com/International/wireStory/nato-chief-warns-kosovo-army-move-45988186