Fire worsen as every Australian state hits 40C

Bushfires are threatening northern suburbs of Melbourne, as a heatwave continues in Australia.

Also in the programme: China jails 'gene-edited babies' scientist for three years; and a conversation between Greta Thunberg and Sir David Attenborough.

(Photo: The remains of a car that was destroyed by bushfires in Balmoral, New South Wales. Credit: Getty Images)