Macedonian media reported an exchange of infantry fire near the village of Aracinovo, a rebel stronghold on the outskirts of the capital, Skopje.

CNN: Macedonia peace moves gather pace

The Americans are still investigating an incident two weeks ago in a village near the Macedonian border, when a morning of mortar-fire wounded ten Kosovar civilians, and killed three people.

ECONOMIST: Ex-Yugoslavia

The claims could not be independently confirmed, although the Macedonian army shelled Vaksince Wednesday, setting a house on fire -- unlikely if they still occupied the area.

CNN: NATO slams Macedonia rebel attacks