North Korea's attack on South Korea.

[Rocky]

South Korea's president called on his military forces to use "action" and not talk to punish North Korea for deadly artillery attacks on Tuesday, but international diplomats appealed for restraint.

"The provocation this time can be regarded as an invasion of South Korean territory. In particular, indiscriminate attacks on civilians are a grave matter," President Lee Myung-bak said at the headquarters of the Joint Chiefs of Staff here, according to South Korea's Yonhap news agency.

"Enormous retaliation is going to be necessary to make North Korea incapable of provoking us again," Lee said.

South Korean leader calls for 'action' after strike - CNN.com

According to this article, this is the first time that North Korea has launched a direct attack on South Korea since the armistice after the Korean War, over 50 years ago.

Massive retaliation is expected from South Korea. Will the United States step in and decide to police the situation? Will we end up going to war once again? Share your thoughts and concerns.