The image emerged online after new South Korean President Moon Jae-in said there was a “high possibility” of war with the hermit state as he warned the recent missile launch was a serious threat to global peace.
Mr Moon said the country’s military was ready and capable of striking back should the North attack.
And today a picture of what appears to be military vehicles, emblazoned with South Korea flags, heading towards North Korea surfaced on Twitter.
South Korea military vehicles were reportedly approaching the North
Fearsome armed brigade participate in South Korea's Warrior Strike 7
Thu, May 18, 2017
The aim of the Warrior Strike 7 exercise in South Korea is to enhance counter weapon of mass destruction (WMD) operations
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1st Infantry Division of the US Army shows soldiers from the 1st Battalion, 16th Infantry Regiment and 2nd Battalion and 34th Armor Regiment
Tensions are growing in the peninsula
Today, S Korea military vehicles spotted around Seoul heading North, hard to say if there were any Air Def system
The freelance investigative journalist who posted the picture said: ”Today, S Korea military vehicles spotted around Seoul heading North, hard to say if there were any Air Def system.”
North Korea and the rich, democratic South are technically still at war because their 1950-53 conflict ended in a truce, not a peace treaty.
The North defends its weapons programmes as necessary to counter US hostility.
And Kim Jong-un has made no secret of the fact that it is working to develop a nuclear-tipped missile capable of striking the US mainland and has ignored calls to rein in its nuclear and missile programmes, even from China, its lone major ally.
President Moon said: "The reality is that there is a high possibility of a military conflict at the NLL (Northern Limit Line) and military demarcation line.
Kim Jong-un flexes his military muscle
Inside North Korea: The pictures Kim Jong-un doesn't want you to see
Thu, May 18, 2017
Photographer Eric Lafforgue ventured to North Korea six times. Thanks to digital memory cards, he was able to save photos that was forbidden to take inside the segregated state
Eric Lafforgue/Exclusivepix Medi
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Taking pictures in the DMZ is easy, but if you come too close to the soldiers, they stop you
“Launching ballistic missiles is a serious provocation that violates UN Security Council resolutions, as well as being a serious challenge to global peace and stability. We will never tolerate such North Korean provocations and nuclear threats.”
His remarks come after US President Donald Trump this week South Korea’s presidential envoy that Washington was willing to try and resolve the North Korean nuclear crisis through engagement.
The ballistic rocket Hwasong has stoked tensions
Mr Moon's envoy to Washington, South Korean media mogul Hong Seok-hyun, said Mr Trump spoke of being willing to use engagement to ensure peace.
Foreign Ministry spokesman Cho June-hyuck said: "The fact that Trump said he will not have talks for the sake of talks reiterated our joint stance that we are open to dialogue but the right situation must be formed.”