A growing lava stream threatening homes on Hawaii's Big Island is expanding as it heads toward a small rural town.
The narrow, leading edge of the lava flow is now just 250 yards from a country road, which has been closed. Crews are working on an alternate route for remote communities in the rural Puna district in case the lava crosses a major thoroughfare.
Officials say the lava advanced nearly 460 yards from Thursday morning to Friday. It sped up over the past few days but slowed again Friday morning.
No evacuations have been ordered, and residents of a home that is nearest to the flow already have left voluntarily.
The Hawaii County Civil Defense is planning to go door-to-door Saturday to find out how many people might need shelter if the eruption continues.
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