<p>The former stronghold of the militant Islamic group Ansar al-Islam looked like a ghost town yesterday, after die-hard fighters fled into a network of caves and bunkers in the rugged, mountainous terrain along the Iranian border.</p>
<p>The militants were chased out Friday under heavy bombardment by US special forces troops and Kurdish soldiers. Fighting resumed at dusk yesterday amid reports US forces were under fire on a ridge above Sargat, another village held by the guerrillas.</p>