The third runway is part of its drive to lift the U.K. economy out of a long period of stagnation, Treasury chief Rachel Reeves said in a speech on Wednesday.

Heathrow's third runway could be built and operating in a decade's time, Chancellor Rachel Reeves has said. The extra runway at Heathrow was one of a number of infrastructure projects announced by the chancellor on Wednesday as part of the government's plans to boost economic growth.

OpenAI has begun offering a version of ChatGPT designed for US government agencies. ChatGPT Gov includes many of the same features found in the Enterprise offering of the chatbot, including access to the company’s GPT-4o model.

OpenAI's new AI chatbot is an expansion on its flagship ChatGPT product. The new tool, ChatGPT Gov, is specifically for use by U.S. government agencies.