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Hello and welcome to News Hour, live from the BBC World Service in London.

I'm Rebecca Kesby.

Is the United Kingdom on the verge of replacing another Prime Minister,

the incumbent, Sakeir Stama,

faces fresh challenges to his leadership today, beginning with the resignation of his health secretary, Wes Streting, who has already called on the Prime Minister to step down after his disastrous

local election results last week. Timed with perfection to hit the lunchtime news headlines,

Mr Streeting published his resignation letter,

taking the opportunity to pour more criticism on Mr Stama

as he resigned from Cabinet.

Where we need vision, we have a vacuum.

Where we need direction, we have drift.

This was underscored by your speech on Monday. Leaders take responsibility, but too often that has meant other people falling on their

swords. You also need to listen to your colleagues, including backbenchers, and the heavy-handed

approach to dissenting voices diminishes our politics. It is now clear that you will not lead the Labour

Party into the next general election and that Labour MPs and Labour unions want the debate around

what comes next to be a battle of ideas, not of personalities or petty factionalism. It needs to be

broad and it needs the best possible field of candidates. I support that approach and I hope that you will facilitate this.

Just a snippet from the letter.

Well, Wes Streeting hasn't yet triggered a leadership election as such,

but some do hope he will.

Among them, Alan Gemmell from Scottish Labour,

...