Video of Seoul air raid sirens spark fears after North Korea failed launch

Videos are circulating online of air raid sirens warning residents of the South Korean capital to evacuate after North Korea said its launch of a military satellite had failed. In clips posted to social media, wailing air raid sirens can be heard in Seoul, with residents urged to seek shelter. In an excerpt of a news broadcast from South Korea, an air raid siren interrupts two television anchors live on air. The alerts came after months of heightened tensions in the region, marking Pyongyang's sixth attempt to put a satellite...