Where is the Brexit process now?

Following a landmark ruling by the Supreme Court on Tuesday, UK politicians have now returned to Westminster. With five weeks till Britain is due to leave the European Union, we speak to protesters outside parliament and examine how close Britain and the EU are to an eventual withdrawal deal.

Also the White House has released details of a phone call between President Trump and his Ukrainian counterpart that has triggered a US impeachment inquiry. We get the latest from our correspondent in Washington.

And a UN report on climate change has found that our seas and frozen regions are being devastated like never before. Our Environment Correspondent answers questions from listeners around the world.

(Photo: Britain's Prime Minister Boris Johnson arrives at 10 Downing Street, September 25, 2019. Credit: ISABEL INFANTES/AFP/Getty Images)