Extreme weather live: Phoenix breaks record with 19th day of 110F highs in a row; Europe swelters under heatwave – as it happened

Arizona state capital suffering from longest heatwave in 50 years; Italian hospitals see rise in urgent cases due to hot weather

• Extreme temperatures recorded across northern hemisphere

More comments now ahead of that meeting between US climate envoy John Kerry and top Chinese diplomat Wang Yi, as the pair meet as part of climate talks between the two countries responsible for the highest carbon emissions - emissions that are driving the climate crisis currently causing record global temperatures, heatwaves and floods.

President Biden is very committed to stability in the US-China relationship and also to achieve efforts together that can make significant difference to the world," Kerry says.