Here's what body language experts are saying about Trump, Kim's handshake

Ahead of the meeting, Trump had said he would be able to work out within the first minute whether his North Korean counterpart was serious about making peace

In their first moments of meeting each other, US President Donald Trump and North Korean leader Kim Jong Un both sought to project a sense of command but displayed some anxiety at the start of their high-stakes summit in Singapore.

Body language experts said that in the 13 seconds or so the US president held on to the hand of Kim for the first time, he projected his usual dominance by reaching out first, and patting the North Korean leader's shoulder.

Not to be outdone, Kim firmly pumped Trump's hand, looking him straight in the eye for the duration, before breaking off