<p>PISA, Italy -- A group of protesters demonstrating at possible war against Iraq forced their way through the perimeter fence of a U.S. military base in central Italy.</p>
<p>The protesters, who broke off from thousands of demonstrators marching peacefully in front of the U.S. Camp Darby base on the coast of Tuscany Saturday were swiftly forced out of the base by Italian police, witnesses told Reuters.</p>