This is the Global News podcast from the BBC World Service.

I'm Bernadette Keough and in the early hours of Monday the 24th of March, these are our main stories.

Huge demonstrations have again been staged across Turkey in support of the mayor of Istanbul.

Ekram Imammolu had urged his supporters to fill the squares with

their voices after being formally charged with corruption. Canada's Prime Minister has called a

snap general election for next month, opening a campaign that will be dominated by President Trump's

tariffs and threats of annexation.

US officials have begun a week of negotiations on a ceasefire in Ukraine,

saying they're optimistic of progress.

Also in this podcast, an unusual journey for some earrings that police have now safely returned to their rightful owner.

He swallowed whatever was in his mouth at that time, which a body scan at the Washington

County jail later found to be foreign objects suspected to be Tiffany's hearings.

We begin in Turkey.

Okay. We begin in Turkey. We're demonstrators in Istanbul on Sunday through fireworks at the police during protests

in support of Ekram Imammolu, the city's mayor.

He's been detained in prison on charges of corruption.

The police responded with water cannon and pepper spray. In another part of the city, tens of thousands gathered for a rally

outside Istanbul's city hall. Meanwhile, Turkey's main opposition party, the CHP, held a presidential

primary election with Mr. Imammolu, President Rejip Tayyip Erdogan's strongest rival,

as the only candidate. Our correspondent Berza Simzek from BBC Turkish has been out on the streets of

Istanbul. I was in front of the Istanbul municipality building and there have been thousands of people chanting anti-government slogans

calling for the government to resign. Mostly it was peaceful but towards the end of the protest. I could

...