NEW : The guards repulsed the first few attacks , but then the militants changed positions and began to shoot from inside nearby buildings where local people live , Slobodyan said , adding that the attackers were n't letting residents out of their homes . U.S. Vice President Biden to attend inauguration for new Ukrainian president . NEW : Two people die in explosion in government building in same city . No militants have been killed , the Ukrainian Border Police official says . The militants are shooting from nearby residential buildings , the official says .
NEW : U.S. Vice President Biden to attend inauguration for new Ukrainian president . NEW : Two people die in explosion in government building in same city . No militants have been killed , the Ukrainian Border Police official says . The militants are shooting from nearby residential buildings , the official says .