Watch footage of North Korean officials blow up what they say is a nuclear test site https://cnn.it/2IHsn5c | CNN

North Korea has handed over what are believed to be the remains of US troops killed during the Korean War. The 55 boxes are being removed from a US military jet at Osan Air Base in South Korea: https://cnn.it/2AkrZWq | CNN

CNN's Tom Foreman takes a closer look at what we know about North Korea's nuclear capabilities. http://cnn.it/2vLIDe1 | CNN International