I feel that Kim Jong Un wants to do something great for his people and he has that opportunity and he won't have that opportunity again'.
Believed to be 34, Kim is one of the youngest heads of state in the world and looks an unlikely candidate to be making history of the kind that has eluded his father and grandfather, both past leaders of North Korea.
"We'll most likely see an unprecedented scale of protection on land, sea and air as this summit is the biggest issue in the world right now", said Chae Kyou-chir, chief executive of Top Guard, a prominent South Korean security and protection firm.
Kim's chief of staff was spotted in Beijing last week after wrapping up talks with US officials in Singapore which had included security discussions.
The North Korean leader's limousine and accompanying motorcade wound its way through Singapore before arriving at the St. Regis Hotel, where he will be staying during the summit.
"Kim Jong Un might bring good looking female bodyguards to embody a more approachable image", Ahn said.
He was greeted by Singapore's foreign minister, Vivian Balakrishnan, who posted a picture on Twitter of him shaking hands with Kim and the message: "Welcomed Chairman Kim Jong Un, who has just arrived in Singapore". China and South Korea would have to sign off on any legal treaty.
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He insisted in fact he had paid millions from his own pocket to cover staff salaries, bonuses and redundancies. Nix said that Channel 4 had heavily edited the footage to portray him in a worse light.
Other security personnel were spotted using equipment to sweep the room for explosives or recording devices. The meeting was initially meant to rid North Korea of its nuclear weapons, but the talks have been portrayed by Trump in recent days more as a get-to-know-you session.
A vehicle believed to be carrying North Korean leader Kim Jong Un is seen in Singapore on Sunday afternoon.
On June 8, the police force said that the venues involved in the Singapore Summit, and the areas around them, have correspondingly been designated as Enhanced Security Special Event Areas from 10 June to 14 June 2018.
Kim arrived Sunday in Singapore ahead The North Korean motorcade, believed to be carrying North Korean leader Kim Jong Un, travels along Singapore's Orchard Road, Sunday, June 10, 2018, ahead of the summit with US leader Donald Trump.
Police will enforce stringent security checks around the Enhanced Security Special Event Area throughout the designated period, the statement said.
The North Korean autocrat's every move will be followed by 3,000 journalists who have converged on Singapore, and by gawkers around the world, up until he shakes hands with Trump on Tuesday.