The show was the final set-piece element of the North Korean delegation's landmark visit, the diplomatic highlight of the Olympics-driven rapprochement between the two halves of the peninsula.
He also warned that North Korea, which will participate in this month's Winter Olympics as part of a joint delegation with South Korea, would not be allowed to "hijack" the event with its "propaganda".
South Korea celebrates neighbor's decision to send ceremonial head of state to Winter Games
Hockey players cross inter-Korean border in key sign of cooperation
Despite a recent cooling of tensions in the run-up to the Winter Olympics in South Korea, Shinzo Abe has insisted on "maximising pressure" on Pyongyang over its nuclear and missile programmes.
Seoul urged that reunions of families divided by the 1950-53 Korean War be held at the same time as the Games.
The two Koreas agreed Friday to hold their first official dialogue in more than two years and are expected to discuss the North's participation in next month's Winter Olympics in South Korea.
The offer came a day after the two Koreas agreed to hold their first official dialogue in more than two years to discuss the North's participation in next month's Winter Olympics in South Korea.
South Korea clarifies position on dialogue with Pyongyang and plays down reports of imminent North Korean provocation
Kim Jong-un starts 2018 with warm message to Seoul, but insists North Korea will speed up nuke development
The 5,100-tonne KOTI was detained two weeks ago at the South's port of Pyeongtaek-Dangjin and its crew are being investigated over the alleged ship-to-ship transfers, Yonhap news agency cited local maritime officials as saying.
The US president later told the New York Times that he saw a report on the situation on Fox News that morning.
Top diplomats discussed situation on Korean Peninsula during phone call
Seoul responds to reports of Beijing and Pyongyang flouting United Nations Security Council sanctions
Pyongyang hints at further long-range missile tests after rejecting new UN sanctions
Tension has been high on the flashpoint peninsula as the isolated but nuclear-armed regime has staged a series of atomic and intercontinental ballistic missile (ICBM) tests -- most recently on November 29.
Resolution 'sends the unambiguous message to Pyongyang that further defiance will invite further punishment,' US says
Reclusive state's leader issues warning to Washington
Tillerson told the UN Security Council that a "sustained cessation of North Korea's threatening behavior must occur before talks can begin," apparently after coming under pressure from President Donald Trump's White House to toughen his stance.
Conversation took place after Russian President Vladimir Putin's annual news conference
Seoul’s military unveils details of latest joint exercise, but is coy on plans for South Korea’s upcoming Winter Olympics