UN calls for greater unity in Libya

The United Nations Secretary General has praised the leadership shown by the chief of Libya's U.N.-backed government, but Ban Ki-moon called for greater unity in the country. This comes after Army General Khalifa Haftar seized several oil terminals in Libya and told the U.N.'s Special Representative for Libya to stop meddling in the country's affairs. CCTV's William Denselow reports from U.N. headquarters in New York.