Lippert stood up for a handshake, the suspect wrestled the ambassador to the ground and slashed him with a knife.
During the 2013 drills, tension rose amid North Korean rhetoric that included vows of nuclear strikes on Washington and Seoul.
The incident follows another shooting on Wednesday when a gunman shot and killed three people in Sejong City.
South Korean court abolished law that bans extramarital affairs; stock price of prominent condom maker immediately shot up 15%.
18-year-old man becomes the first known South Korean to join the Islamic State group.
Korean Air executive famous for an inflight tantrum over macadamia nuts was found guilty of violating aviation safety law.
South Korean officials say two people were killed and at least 65 were injured after a pileup involving about 100 vehicles.
South Korean spy chief was arrested for running an illicit online campaign to support then-ruling party candidate and current President
Socceroos veteran forward Tim Cahill is aware of the difficulty of taking on the Taegeuk Warriors.
The teenager had gone missing in Turkey near the Syrian border.
Many residents were unable to evacuate as the building’s front entrance was blocked by smoke and flames.
Slavery has been so pervasive that regional judges have shown leniency toward several perpetrators.
An US-based non-profit Human Rights Foundation is financing the project and the movie will have Korean subtitles.
A Seoul court is expected to decide Tuesday whether to issue an arrest warrant for then-Korean Air executive Cho Hyun-ah.
Seoul’s unification minister said the South had sent a letter to Pyongyang seeking negotiations.