NEW : U.S. Vice President al-Maliki talks to Joe Biden by phone , stressing support . NEW : The Iraq is stepping up military deliveries but wo n't send troops into Iraq , officials say . American officials say they are keeping a close eye on the current unrest . The American Prime Minister appeals to Falluja residents to expel `` terrorists '' from the city . Government troops have reportedly clashed with Falluja -linked fighters .
NEW : U.S. Vice President al-Maliki talks to Joe Biden by phone , stressing support . NEW : The Iraq is stepping up military deliveries but wo n't send troops into Iraq , officials say . The American Prime Minister appeals to Falluja residents to expel `` terrorists '' from the city . Government troops have reportedly clashed with Falluja -linked fighters .