Warning : There will be an ` ` opportunity to stay '' as long as it is safe to do so , official says . Up to 100 homes and businesses could be evacuated soon , an official says . Lava advancing on Pahoa , a village of about 500 people on Hawaii 's Big Island . Kilauea Volcano lava flow started June 27 and has extended 13 miles .
NEW : There will be an `` opportunity to stay '' as long as it is safe to do so , official says . Up to 12 homes and businesses could be evacuated soon , an official says . Lava advancing on Pahoa , a community of about 950 people on Hawaii 's Big Island . Kilauea Volcano lava flow started June 27 and has covered 13 miles .