Sirens blaring across parts of Hawaii urged residents to seek higher ground, as a tsunami -- triggered by a sizable 7.7-magnitude earthquake in western Canada -- headed toward them. Waves between 3 and 7 feet are expected to lash the islands, beginning about 10:28 p.m. local time Saturday (4:28 a.m. Sunday ET), the Pacific Tsunami Warning Center said. "Basically this tsunami is pointed right at us," said Gerard Fryer, senior geophysicist at the center. The impact could last for hours. "It's not just one wave, it's a succession of waves," Fryer said. "We are recommending coastal evacuation." Read the ... (full story)