Molten lava is on the move on Hawaii's Big Island.<br/> <br />The stream from the erupting Kilauee Volcano now threatens a grocery store and gas station as it encroaches a highway linking the village of Pahoa with the rest of the island.<br/> <br />The Hawaiian Volcano Observatory says the flow is within 690 yards of the shopping area.<br/> <br />County officials say they're working with the merchants for a possible evacuation.
