What do the defectors say

After agreeing to speak with the BBC on condition of anonymity, a group of Venezuelan deserters based in a church in Cúcuta described what pushed them to leave President Maduro's armed forces.

"There are many professional troops who want to do this. This will be a domino effect. This will have significant influence on the armed forces," one 29-year-old man said.

"The armed forces have broken down because of so many corrupt officers.

"The professional military is tired. We cannot remain slaves, we are freeing ourselves," he added.

Another defector, a woman, described the mood on Saturday as "tense", adding: "I was thinking I could not harm my own people.

"My daughter is still in Venezuela and that is what hurts the most. But I did this for her. It's difficult because I don't know what they might do to her."

A third said he felt pain at seeing the Venezuelan people on the streets fighting for humanitarian aid.

"I felt impotent and useless. I felt pain for everything happening," he said.

Battered and bruised

By Orla Guerin, BBC News, in Colombia near the Venezuelan border

We met the deserters - male and female - one day after they laid down their weapons and left their posts. They have found sanctuary in a Catholic church, with a discreet security presence outside.

Some seemed to be in shock over the violent scenes this weekend when Venezuelan troops fired on their own people with teargas and rubber bullets.

The parish priest who took them in told us many arrived battered and bruised. The deserters said they had fled because their homeland needed change, and their children needed food. After speaking on the phone to a loved one, one young officer wept openly

Venezuela crisis: Defectors fear for families under Maduro

Venezuelan soldiers who defected into Colombia on Saturday say they fear for the safety of their families under President Nicolás Maduro's government.

Speaking exclusively to the BBC's Orla Guerin, one defector aged 23 says he is worried forces loyal to the president may "lash out against my family".

"But I think it was the best decision I could have made," he adds.

More than 100 soldiers are said to have defected, most during deadly clashes over aid deliveries on Saturday.

Tensions were high after President Maduro sent troops to block roads and bridges at the borders of neighbouring Brazil and Colombia, where food and medicine deliveries, organised by the US, were set to enter the country.

At various crossing points, Venezuelan security forces fired tear gas at volunteers and protesters burning outposts and throwing stones at soldiers and riot police.

Why Kim will be looking closely at Vietnam

Mr Kim has now departed for Hanoi by train, and Mr Trump is expected to leave for Vietnam later on Monday.Mr Kim has now departed for Hanoi by train,

Pompeo say

Just landed - a long trip, but everybody can now feel much safer than the day I took office. There is no longer a Nuclear Threat from North Korea. Meeting with Kim Jong Un was an interesting and very positive experience. North Korea has great potential for the future!

What did Pompeo say

Mr Trump's secretary of state, Mike Pompeo, has similarly downplayed what could be achieved at the summit. On Sunday he told Fox News: "We may not get everything down this week, [but] we hope we'll make a substantial step along the way."

In a separate interview, he also appeared to contradict the president's stated view that there is no nuclear risk from Pyongyang.

"Do you think North Korea remains a nuclear threat?" CNN's Jake Tapper asked him.

"Yes," he replied.

"But the president said he doesn't," Mr Tapper said, to which Mr Pompeo responded: "That's not what he said... I know precisely what he said."

In the aftermath of the Singapore summit last year, Mr Trump tweeted that "everybody can now feel much safer than the day I took office. There is no longer a Nuclear Threat from North Korea"

Growing up in North Korea

He reiterated that he was "in no rush" to press for North Korea's denuclearisation. "I don't want to rush anybody. I just don't want testing. As long as there's no testing, we're happy," he said.

The Singapore summit was historic as the first meeting between a sitting US president and a leader of North Korea, but the agreement the two men signed was vague on detail. Little has been done since about their stated goal - finding a way to get nuclear weapons off the Korean peninsula.

The president's latest remarks come on the eve of his departure for Vietnam, and are being seen as a bid to manage expectations.

Trump on his relationship with Kim Jong Un

Trump on his relationship with Kim Jong Un: "It’s a very interesting thing to say, but I’ve developed a very very good relationship. we’ll see what that means. But he’s never had a relationship with anybody from this country, and hasn’t had lots of relationships anywhere.”

Chairman Kim realizes

Chairman Kim realizes, perhaps better than anyone else, that without nuclear weapons, his country could fast become one of the great economic powers anywhere in the World. Because of its location and people (and him), it has more potential for rapid growth than any other nation!

Trump: North Korea 'could be great power' without nuclear weapons

North Korea could become one of the world's "great economic powers" if it relinquishes its nuclear weapons, US President Donald Trump has said.

Writing on Twitter, Mr Trump said the nation had "more potential for rapid growth than any other".

His comments came hours after his secretary of state Mike Pompeo said Pyongyang remains a nuclear threat.

Mr Trump will meet North Korean leader Kim Jong-un for the second time on the 27-28 February in Hanoi, Vietnam.

"We both expect a continuation of the progress made at first summit in Singapore," Mr Trump tweeted, referencing the meeting between the two leaders in Singapore last June.