It's after the resignation of Edouard Philippe who has been in the post for three years.
Mr Castex, 55, is relatively unknown in France, although he is a senior civil servant.
The new Prime Minister has been a key player in the government's response to the Covid-19 pandemic.
Injuries and arrests as French high school student protests spread
Dozens of people have been injured and hundreds arrested, most of them teenagers, officials said, in a wave of French student protests against teacher shortages and dilapidated buildings that on Wednesday spread to more schools across the country.
Russia hits power plants, kills four, leaves Kyiv under smoke
Russian drone and missile attacks on Kyiv and nearby areas killed four people, damaged energy infrastructure and shrouded the capital in smoke, Ukrainian officials said on Wednesday.
US forces exit remaining bases in Iraq
US forces have withdrawn from their remaining bases in Iraq on Wednesday, raising fears they will leave behind a security vacuum.
Shark stranded in South Korean canal draws 600,000 visitors as rescue bid fails
A shark stranded in a canal in the South Korean port of Busan has become the country's latest wildlife sensation, with the city saying about 600,000 people have flocked to see it over the past two weeks.
Israeli strikes kill five people in Gaza, medics say
Israeli strikes killed at least five Palestinians in two separate attacks in the Gaza Strip on Wednesday, the territory's health officials said.
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The Business Breakfast is the day’s must listen for the UAE’s business leaders, and those who aspire to be.
UAE President Sheikh Mohamed Bin Zayed Al Nahyan’s visit to the US to boost economic and technology ties including AI.
Apple Inc. shares fell Monday after a closely followed analyst warned that demand for the firm’s new iPhone 16 Pro model has been lower than expected. Is this a sign that the AI software just isn’t ready?
Does working from home kill productivity or can it benefit staff by giving them more flexibility and a better work/life balance?
Dubai’s current population is more than double compared to almost twenty years ago, which now stands at 3.7 million. Lots of families are also moving to the UAE now. So what does it mean for the property market?
Glory Ehirim Nkiruka is Noon’s first ever female delivery driver. In her first ever interview, she explained why she loves her job, despite the heat!
