India, Aug. 17 -- US President Donald Trump on Monday announced plans to reduce joint military exercises with key regional ally South Korea, citing his positive relationship with North Korean leader Kim Jong Un and Seoul's decision not to assist the US in its efforts related to Iran.

Announcing his decision on Truth Social, Trump wrote: "Based on my very good relationship with Kim Jong Un, of North Korea, I am not happy with the fact that the United States has, long ago, agreed to participate in Joint Military Exercises with South Korea."

He added that the exercises were not only costly, with much of the expense being borne by the United States, but also sent an "inappropriate and hostile" signal to North Korea, which he described as ha...