North Korea Defends Nuclear Test, Threatens Escalation
Description:Hours after announcing its third successful nuclear test, North Korea threatens escalation. A Foreign Ministry statement broadcast on state TV said further U.S. hostility would complicate the situation and lead to stronger responses from the North. Tuesday's test has prompted angry reactions from the region and calls for harsher international penalties on the already heavily-sanctioned country. An Austria-based nuclear test monitoring agency confirmed seismic activity of magnitude 4.9.(1:17)