United States has called a United Nations Security Council meeting this week on the risk of North Korean provocation as Pyongyang demands US concessions by a year-end deadline. The United States, which holds this month's presidency of the Security Council, is scheduling the session instead of a planned meeting on human rights in North Korea, one of the world's most authoritarian states.<br />''<br />''A State Department Spokesperson yesterday said, this week's meeting will provide a comprehensive on recent developments on the Korean Peninsula, including recent missile launches and the possibility of an escalatory DPRK provocation.<br />''<span style="color: #222222;"><br />''The Security Council also met last week behind closed doors to discuss 13 missile tests by North Korea. That meeting was organized by European nations, which condemned North Korea's actions. But the request for a new session shows growing alarm by the United States on North Korea which has demanded that Washington propose a new offer by December 31 to kick-start nuclear negotiations.</span><br />