Kirkuk, Iraq, Nov 22, SPA -- A U.S. patrol that came under attackin northern Monday returned fire, killing two attackers,according to eyewitnesses. The insurgents, armed with rocket-propelled grenades,launched the attack in Hawija, about 240 kilometers (150miles) north of Baghdad. The U.S. military had no immediate confirmation of theincident.--SPA1308 Local Time 1008 GMT www.spa.gov.sa/218780