Science Watchful eyes on Hawaii's Big Island as lava approaches homes

Some area residents are preparing for possible evacuation after the island's mayor declared a state of emergency.

By , Reuters

Tim Orr/U.S. Geological Survey/AP

Hawaii scientists and officials raised the alert level on Thursday for residents whose homes stand in the path of an approaching lava flow creeping through a forest reserve toward their community from the Kilauea Volcano on the Big Island.