The United States said Wednesday that it was "concerned" by Kosovo's plans to convert its security force into a regular army without a constitutional amendment — a move sure to infuriate Serbia. "We support the gradual transparent transformation of the Kosovo Security Force into a multiethnic force in line with NATO standards," a statement from the embassy in Pristina said. http://www.voanews.com/a/nato-us-warn-kosovo-against-move-to-form-army/3755434.html