"I am concerned," Sen. Joni Ernst (R-Iowa) said. "We need to take a very strong stance."
Saudi news agency SPA reports that an Egyptian resident is dead as a result of seven missiles fired into the country from Yemen.
David Ige said he couldn’t alert citizens to a false alarm because he couldn’t remember his social media passwords.
The new missile has a range of more than 3,000 miles.
The rocket started moving on Monday, a day after North Korea’s sixth nuclear test.
Japan must be ready to defend itself when America’s nuclear deterrence fails.
Secretary of State Rex Tillerson said the U.S. "has spoken enough about North Korea."
Kim Jong Un said the country's missile program was in its "last stage" earlier this month.