US- S Korea alliance ironclad: Pompeo

The United States' Secretary of State Mike Pompeo, who is in Seoul presently, said, the US and South Korea's alliance is ironclad.

"Our alliance is ironclad. We look forward to continuing our close coordination with @bluehousekorea & @moonriver365 on #DPRK," Pompeo tweeted.

In another tweet, he mentioned how crucial the cooperation between US, South Korea and Japan is.

"Trilateral cooperation among US, #ROK & #Japan has been crucial to the effectiveness of our efforts regarding #DPRK We commit to continue working together @moonriver365 #alliesfriendspartners @MOFAkr_eng," the States' Secy. tweeted.

He took to Twitter to say, "Our alliance remains the linchpin of regional stability & security @MOFAkr_eng #ROK @StateDept #Seoul".

On Tuesday the North Korean leader Kim Jong-un and Trump had met for a maiden bilateral summit at Singapore in which they signed an agreement for a stable and peaceful Korean regime.

The two leaders also signed a post-summit joint declaration, according to which Kim committed for 'complete denuclearisation of Korean Peninsula' and Trump pledged 'security guarantees' to the North.