2010/12/03 07:00 KST "N. Korea deploys more multiple-launch rockets: source SEOUL, Dec. 3 (Yonhap) -- North Korea has added more multiple-launch rockets capable of hitting the South Korean capital, a military source said Friday, amid heightened tensions over the North's fatal artillery attack on a South Korean island. The North's rockets and long-range artillery, capable of raining down shells on Seoul, which lies about 50 kilometers from the heavily armed border, are the biggest defense concern for South Korea. "