Sohae Satellite Launch Centre

The missile engine test site that President Donald Trump said North Korean leader Kim Jong Un had committed to destroy is a major facility in the western part of the country that has been used for testing engines for long-range missiles, according to a U.S. official.

A one-week window opened Sunday for North Korea's launch of a long-range rocket -- widely-condemned by the international community as a disguised ballistic missile test linked to its nuclear weapons programme.

The missile engine test site that President Donald Trump said North Korean leader Kim Jong Un had committed to destroy is a major facility in the western part of the country that has been used for testing engines for long-range missiles, according to a U.S. official.

A one-week window opened Sunday for North Korea's launch of a long-range rocket -- widely-condemned by the international community as a disguised ballistic missile test linked to its nuclear weapons programme.