North Korea fires two rockets into the sea , says South Korea 's defense minister . Launch ##ed after South Korea rejects North 's request to conduct military drills with U.S . It 's the latest in a series of rocket and missile launches by the North . And a few days later , North Korea fired at least two shells near a South Korean patrol boat in the Yellow Sea . Tensions have also flared in recent years over maritime boundary .
North Korea fires two rockets into the sea , says South Korea 's defense minister . Launch ##ed after South Korea rejects North 's request to conduct military drills with U.S . It 's the latest in a series of rocket and missile launches by the North . Tensions have also flared in recent years over maritime boundary .