Trump Says North Korea Is a 'Big Problem' That Will Be Dealt With

The U.S. president however did not say how he would tackle the problem.

Photo released by North Korea shows the launch of a surface-to-surface ballistic missile Pukguksong-2.

U.S. President Donald Trump on Monday said he would deal with North Korea "very strongly," after that country said it successfully test-fired a new type of ballistic missile. 

"Obviously North Korea is a big, big problem and we will deal with that very strongly," said Trump, a Republican, during a joint press conference at the White House with Canadian Prime Minister Justin Trudeau.

The U.S. leader did not detail how he would respond to North Korea's actions.