New Delhi, Oct. 30 -- US President Donald Trump on Thursday gave South Korea the green light to build a nuclear-power submarine, something that gives Seoul a potential entry into an elite list of nations with such vessels.

Seoul's nuclear-powered submarine is slated to be built in a Philadelphia shipyard, where South Korean firms have upped their investment.

"South Korea will be building its Nuclear Powered Submarine in the Philadelphia Shipyards, right here in the good ol' U.S.A. Shipbuilding in our Country will soon be making a BIG COMEBACK. Stay tuned!!! (sic)," Trump said in a post on Truth Social.

The US President, who met with South Korean President Lee Jae Myung and other regional leaders during his visit, also said Seoul had ag...