Washington and Seoul have conducted joint military drills in response to North Korea's latest missile launch. The United States Forces Korea (USFK) said in a statement today that during which the countries fired missiles into the South Korea's territorial waters in the Sea of Japan. <br/><br/>Earlier in the day, the US Mission to United Nations said that the UN Security Council's emergency meeting on North Korea's actions will take place later today at the initiative of the United States, South Korea and Japan.