First Thing: Humanity has missed 1.5C climate target, says UN head

Exclusive: Devastating consequences' now inevitable but emissions cuts still vital, says Antonio Guterres in sole interview before Cop30. Plus, lonely and unwell people are turning to AI chatbots for health advice

Good morning.

Humanity has failed to limit global heating to 1.5C and must change course immediately, the secretary general of the UN has warned.

What does the UN say about world's climate plans? Recently drafted climate plans from scores of countries fall drastically short of what is needed to stave off the worst effects of climate breakdown, analysis has shown.

What do forecasters predict? Some parts of eastern Jamaica could receive up to a metre (40in) of rain while western Haiti could get 40cm (16in), the US National Hurricane Center said. Catastrophic flash flooding and numerous landslides are likely."

This is a developing story. Follow our blog here.