US President Donald Trump and Vladimir Putin cross paths again in Vietnam

US president Donald Trump and Russian President Vladimir Putin chatted as they sauntered together for a brief photo session at 21-nation Asia-Pacific Economic Cooperation meeting on Saturday.

However, the two also shook hands at a dinner which happened on Friday evening and again at the start of the main meeting of Asia-Pacific Economic.Trump is on the fourth leg of a 12-day tour of Asia. 

Although, the White House cleared that two will not hold a formal meeting in Vietnam.

Donald Trump was expected to attend a slew of big meetings and private audiences with other world leaders.

Trump was not expected to have a formal meeting with Russian President Vladimir Putin, however, it is possible that they have an informal encounter during the meeting.

Donald Trump pulled out the United States from the Pacific Rim trade pact known as the Trans-Pacific Partnership.  He emphasized that he wants one-on-one agreements with other nations.

On Friday, the remaining 11 nations announced that they had reached a trade pact without the US.