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

I'm Bernadette Keough and in the early hours of Sunday the 23rd of March, these are our main stories.

In Istanbul, protesters take to the streets for the fourth day running following the arrest of the city's mayor, Ekram Im Imamolu, who's appeared in a Turkish court.

Pope Francis is being discharged from hospital on Sunday.

Lebanese state media say eight people have been killed in two waves of Israeli airstrikes.

Also in this podcast, an urgent inquiry is ordered into the power outage that closed Heathrow.

The airport's chief executive has defended the response.

I'm proud of what the people did to get us out of the situation. Don't forget the situation

was not created at Heathrow Airport. It was created outside the airport and we had to deal with

the consequences.

And... I still believe that one day the Taliban will allow schools and universities to reopen

and I will realise my dreams of becoming a hard surgeon.

The girls of Afghanistan still denied education clinging on to their dreams.

We begin in Turkey.

Where thousands of demonstrators have taken to the streets in cities across the country for the fourth day running, following the arrest of Istanbul's mayor, Ekram Imamolu, who's now in court.

He was arrested on Wednesday and detained on charges of corruption and aiding terrorist groups,

allegations that he's dismissed as immoral and baseless.

It came days before he was due to be announced as a candidate

for the 28 presidential election. In a televised statement, President Rejup Tayyip Erdogan

condemned the protests. They attempted to provoke our nation over this corruption operation.

They have been doing everything they can for four days to disturb the peace of the nation and polarize our people.

From insulting anyone they encounter to attacking our police officers who are only doing their jobs,

...