The Senate Judiciary Committee launched a probe last week and the House Intelligence Committee may also open an investigation
Trump, who apparently played 18 holes Wednesday, doesn’t “grasp the ongoing grave situation,” a North Korean official said.
After its most recent test, the country's leadership is likely confident enough to enter into negotiations with the West.
North Korea boasted that the ICBM it launched last week could carry a nuclear warhead.
The successful nuclear missile test was celebrated in spectacular fashion by the rogue state.
The country could now be capable of hitting the U.S. mainland.
North Korea's leader may be as secretive as his father and grandfather, but we know a little about how he spends his days.
The North's most recent test launch of a short-range ballistic missile on Monday landed in the sea off its east coast.
The United States mainland is in the "sighting range for strike" said North Korea.
Seoul has said it will not let its guard down and is watching the situation closely.
Trump has said the United States is prepared to tackle the crisis without China, if necessary.
Earlier speculation suggested it may have had something to do with marking the birthday of the deceased founder of the country.
North Korea celebrates its founder's birthday on Saturday and has tested missiles on significant occasions in the past.
A North Korean spokesperson said the North would push forward with its nuclear plans.
China's foreign minister called on North Korea to halt nuclear activities and the U.S. to stop military drills.
The war games are an annual military exercise carried out by the U.S. and South Korea.
Offering a glimpse of how he might conduct diplomacy after taking office on Jan. 20, Trump reportedly welcomed a nuclear arms race with Russia.
Park Geun-hye also said the North is "merciless" and under an "extreme reign of terror."
The robot will clean up highly radioactive spots too dangerous for humans to enter.