The U.S. House of Representatives has held debate on a bill called the North Korea Sanctions Enforcement Act, which seeks to deny the Pyongyang government the hard currency it needs for its nuclear weapons program. A vote is expected in the House this week, possibly as early as Tuesday.
The sanctions bill is seen as a response to North Korea's announcement last week that it had set off a hydrogen bomb. That claim has been met with widespread skepticism as outside experts say North Korea actually conducted its fourth nuclear test, detonating a device with potentially massive destructive power.
Republican House Foreign Affairs Chairman Ed Royce, a Republican, said that alone is enough to be of concern to the United States at its allies. Royce said the threat from North Korea's nuclear advances is unacceptable, and that Congress should take the lead. READ MORE OF THIS STORY ON VOA NEWS ONLINE