South Korea's PM Chung Hong-won vows strong retaliation against any North Korean attacks during speech at ceremony commemorating 4th anniversary of North Korea's shelling attack on Yeonpyeong Island - @YonhapNews
The US flew two B-2 stealth bombers over South Korea as part of a military exercise on Thursday, March 28.
The move is the latest event in long running tensions between the North and the South and follows strong rhetoric from Pyongyang. It comes a day after it cut a military hotline with the South. - BBC News