WASHINGTON (REUTERS) - The United States, South Korea and Japan agreed in high-level security talks on Friday (April 2) to work together to keep up pressure on North Korea to give up its nuclear and ballistic missile programmes.

In a joint statement after a day of talks, new US President Joe Biden's national security adviser, Jake Sullivan, and his Japanese counterpart, Shigeru Kitamura, and South Korea's national security adviser Suh Hoon reaffirmed their commitment to address the issue "through concerted trilateral cooperation towards denuclearisation".