With confidence in the PM dented after partygate, he needs to convince party and country he has a plan.
People with serious mental health issues find it difficult to access help if they are in prison.
But scientists say any short-term protection against infection is likely to fall away quickly.
Campaigners say the aviation industry cannot be relied on to tackle their role in climate change.
Scientists say there's now a strong chance that the world will warm by more than 1.5C by 2026.
Couples tell BBC News the delays are keeping them apart, with no idea when they will be reunited.
The PM promises to address the cost of living but says the UK cannot spend its way out of trouble.
Social media accounts using pictures copied from famous and unknown people are tweeting in favour of Russia.
The home secretary expects the government proposal to face "hurdles and barriers" from lawyers.
