You're listening to the Global News podcast from the BBC World Service.

Hello, I'm Oliver Conway. We're recording this at 14 hours GMT on Wednesday the 20th of November.

The medical charity MSF says it is suspending operations in the violence-riddled capital of Haiti because of threats from police.

In a change of policy, the US agrees to send landmines to Ukraine

to try to slow the Russian advance.

And a woman thought to be Thailand's worst serial killer

is sentenced to death for poisoning a wealthy friend.

Also in the podcast, some rare good news on two fronts

for the polar bears of northern Canada and olive oil consumers around the world.

Plus, don't want anyone din your life because your age, your gender, your background shouldn't be a barrier to what you believe in.

Words of advice from America's latest young entrepreneur.

The charity, Medicines Sans Frontier has a pretty fearless reputation.

Doctors Without Borders, as it's called in English, sends medical teams into some of the

world's most violent and unstable conflicts.

But even for MSF, the situation in Haiti has proved too much. The collapse of any

meaningful central authority and the rise of gangs across the Caribbean nation have prompted MSF to

announce it is suspending operations there. In the early hours of Tuesday, at least 25 gang members

were killed after an attempted attack on an affluent

suburb of the capital, Port-au-Prince, was rebuffed by civilian vigilantes and police.

This resident in Pietonville said people have had enough.

We're not going to give up the area. We're not going to leave. And the day we rise up, nobody will stop us, neither the government nor the bandits, nor anyone else who's stopping us from living. We're asking for unity because no one will force us to flee our neighbourhood.

Our correspondent Will Grant has reported from Haiti many times. He told Paul Moss what had

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