A Second 'Test'?

Breaking: N.Korea may have conducted another nuclear test: NHK

TOKYO (Reuters) - North Korea appears to have conducted another nuclear test, Japanese national broadcaster NHK said on Wednesday. Japanese government sources had information that there was a tremor in North Korea this morning and they were checking on the possibility of a nuclear test, NHK said. Defying warnings from its neighbors, the United States and the U.N. Security Council, North Korea announced on Monday that it had conducted its first-ever nuclear test. Pyongyang had earlier said a U.S. "threat of nuclear war and sanctions" had forced its hand.

Japan Detects Tremors; Quake Shakes Area

The Japanese government detected tremors on Wednesday that led it to suspect North Korea had conducted a second nuclear test, officials and news reports said. Shortly after Japan said it suspected another test had been conducted, the country's meteorological agency reported a magnitude-6.0 earthquake shook northern Japan. U.S. and South Korean monitors said they had not detected any new seismic activity in North Korea on Wednesday.