Roads Blanketed News Today

>> reporter: before-and-after satellite images show the devastation in tonga. volcanic ash is covering entire communities, homes, trees, roads blanketed. neighborhoods, unrecognizable. the new zealand defense force sent a reconnaissance flight to assess the damage. the runway at the airport is partially covered, meaning humanitarian flights are currently impossible for a population of more than 100,000. saturdays eruption of an underwater volcano triggered a tsunami. the prime minister says wave...