BRITAIN’S left united today in welcoming the sensational win for Zohran Mamdani in the New York mayoral race.

Most of its leaders vied to congratulate the charismatic pro-Palestinian socialist and to draw the lessons for the left in Britain.

Your Party co-founder Jeremy Corbyn said Mr Mamdani’s win was “built on the radical idea that everyone deserves to live in dignity.”

“This is a seismic victory — not only for the people of New York, but for all those who believe that humanity and hope can prevail,” he added.

A Your Party spokesperson said: “Zohran’s historic victory demonstrates that the old politics of the centre is bankrupt and a new socialist politics can take its place — we will build that politics and that alternative here in Britain, too.”

Co-founder Zarah Sultana tweeted a picture of herself and the new mayor, captioned: “This is what socialist representation looks like.”

Green Party leader Zack Polanski claimed to share with Mr Mamdani “the same relentless focus on inequality,” while Labour MP Clive Lewis said he had “stood up to fear and corporate power and won.”

“There’s a lesson here for us: you don’t beat cynicism by managing decline, but by giving people something worth believing in,” Mr Lewis said.

London Mayor Sadiq Khan, as unpopular with US President Donald Trump as Mr Mamdani is, said that both London and New York had chosen hope over fear.

The most colourful congratulations came from Your Party MP Ayoub Khan, who said: “A new dawn breaks as truth and unity overcome lies and division.  

“This victory of righteousness will spread across the whole globe.”

And Pearl Ahrens of Fare Free London drew the lesson that “if New York City can consider making buses free, so can London and other big world cities.”

But Health Secretary Wes Streeting drew anger for praising Mr Mamdani’s “inspirational campaign,” with journalist Owen Jones pointing out that the new mayor would have been “purged and smeared” in today’s Labour Party.