South Koreans take moment of silence for South Korean marines killed in a North Korean bombardment during a rally against North Korea's attack onto South Korean island, in Seoul, South Korea, Tuesday, Nov. 23, 2010. North Korea shot dozens of rounds of artillery onto a populated South Korean island near their disputed western border Tuesday, military officials said, setting buildings on fire and prompting South Korea to return fire and scramble fighter jets. (AP Photo/Ahn Young-joon)

Photo by: Ahn Young-joon

South Koreans take moment of silence for South Korean marines killed in a North Korean bombardment during a rally against North Korea's attack onto South Korean island, in Seoul, South Korea, Tuesday, Nov. 23, 2010. North Korea shot dozens of rounds of artillery onto a populated South Korean island near their disputed western border Tuesday, military officials said, setting buildings on fire and prompting South Korea to return fire and scramble fighter jets. (AP Photo/Ahn Young-joon)