US President Donald Trump (C) speaks upon the arrival of US detainees Kim Dong-chul (4th R), Kim Hak-song (2nd R) and Tony Kim (3rd L) after they were freed by North Korea, at Joint Base Andrews in Maryland on May 10, 2018. - US President Donald Trump greeted the three US citizens released by North Korea at the air base near Washington early on May 10, underscoring a much needed diplomatic win and a stepping stone to a historic summit with Kim Jong Un. (Photo by SAUL LOEB / AFP)        (Photo credit should read SAUL LOEB/AFP/Getty Images)
Trump welcomes Americans home from N. Korea
President Donald Trump personally welcomes back three Americans as they arrive at a military base outside Washington after their release from North Korea.
06:15 - Source: CNN
Americans freed from N. Korea 6 videos
US President Donald Trump (C) speaks upon the arrival of US detainees Kim Dong-chul (4th R), Kim Hak-song (2nd R) and Tony Kim (3rd L) after they were freed by North Korea, at Joint Base Andrews in Maryland on May 10, 2018. - US President Donald Trump greeted the three US citizens released by North Korea at the air base near Washington early on May 10, underscoring a much needed diplomatic win and a stepping stone to a historic summit with Kim Jong Un. (Photo by SAUL LOEB / AFP)        (Photo credit should read SAUL LOEB/AFP/Getty Images)
Trump welcomes Americans home from N. Korea
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US President Donald Trump (L) applauds as US detainee Kim Dong-chul (2nd R) gestures upon his return with fellow detainees Kim Hak-song and Tony Kim (behind) after they were freed by North Korea, at Joint Base Andrews in Maryland on May 10, 2018. - US President Donald Trump greeted the three US citizens released by North Korea at the air base near Washington early on May 10, underscoring a much needed diplomatic win and a stepping stone to a historic summit with Kim Jong Un. (Photo by Nicholas Kamm / AFP)        (Photo credit should read NICHOLAS KAMM/AFP/Getty Images)
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US President Donald Trump (L) applauds as US detainee Kim Dong-chul (2nd R) gestures upon his return with Kim Hak-song (C) and Tony Kim (behind) after they were freed by North Korea, at Joint Base Andrews in Maryland on May 10, 2018. - Trump was to greet the three US citizens released by North Korea at the air base near Washington early on May 10, underscoring a much needed diplomatic win and a stepping stone to a historic summit with Kim Jong Un. (Photo by SAUL LOEB / AFP)        (Photo credit should read SAUL LOEB/AFP/Getty Images)
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North Korean Foreign Minister Ri Yong Ho (C) leaves the Swedish goverment building Rosenbad in central Stockholm on March 16, 2018.

North Korea's top diplomat arrived in Sweden on March 15,  for two days of talks which could play a role in setting up a proposed summit between Donald Trump and Kim Jong Un. / AFP PHOTO / TT News Agency / Vilhelm STOKSTAD / Sweden OUT        (Photo credit should read VILHELM STOKSTAD/AFP/Getty Images)
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