North Korea test-fires sub-launched missile

North Korea on Saturday test-fired what appeared to be a submarine-launched ballistic missile off its eastern coast, according to South Korea. 

The missile was fired from near Sinpo, where analysts have previously detected efforts to develop submarine-launched ballistic missile systems, The Associated Press reported. 

"We strongly condemn North Korea's missile test in violation of U.N. Security Council Resolutions, which explicitly prohibit North Korea's use of ballistic missile technology," Gabrielle Price, spokeswoman for the U.S. State Department's Bureau of East Asian and Pacific Affairs, said in a statement to CNN.
"These actions, and North Korea's continued pursuit of ballistic missile and nuclear weapons capabilities, pose a significant threat to the United States, our allies, and to the stability of the greater Asia-Pacific," she added.
"Our commitment to the defense of our allies in the face of these threats remains ironclad."

South Korea also called the tests "provocative behavior." 

The North tested a similar ballistic missile in April, calling it a success that strengthened their ability to attack enemies with "dagger of destruction." 

The test comes a day after the U.S. and South Korea said they would deploy a U.S. missile defense system in South Korea to deal with threats from the North.