NEW : A fighter jet crashes in South Korea ; it safely ejects . South Korea says a North Korean torpedo attack was to blame for the ship 's sinking . President Trump visits North Korea next week for a nuclear security summit . While there , he plans to make his first visit to the conflict zone . North Korea 's announcement of a satellite launch has increased tensions in the region .
NEW : A fighter jet crashes in South Korea ; it safely ejects . President Trump visits North Korea next week for a nuclear security summit . While there , he plans to make his first visit to the conflict zone . North Korea 's announcement of a satellite launch has increased tensions in the region .