The militants reportedly ambushed a truck carrying 20 paramilitary troops and fired at soldiers in sandbagged positions in several parts of the city.
Some of the nervousness stems from the landscape, with sandbagged positions springing up around government ministries and major intersections.
I found a projectile rifle thrust into my hands, and my way being directed toward a sandbagged position below the main guard tower.
A machine gun had been mounted above a sandbagged position.
Small groups of men or single soldiers fired from behind doorways, windows, or the sandbagged positions guarding the motor pool between the concourses.
Decani is now abandoned, and the Serbian police, who crouch behind sandbagged positions in the ruins, come under frequent fire from rebel units.
The platoon sergeant had made it out of his sandbagged sleeping position and crawled to the north side of the perimeter.
Tanks looked down from the hills around, and a police squad aimed its guns from a sandbagged position on the road.
The tarp flapped in the moving wind and fell away from a sandbagged machine-gun position.
Soldiers manned sandbagged positions at every corner.