The Met Office has extended the heat health warning over London and the south east, with the warning raised to an amber level 3 warning, as temperatures are expected to soar today.
A level 3 amber warning means that social and healthcare services are required to take action for high-risk groups including the elderly and babies and young children.
More top news
As disruption continues throughout the evening here's what you need to know
Fallen trees, damaged power lines and emergency speed limits were today causing chaos for rail passengers.
They will be supported by artists including Zara Larsson, G-Eazy, Wiley, Sean Paul, WizKid and an exclusive set from Bryson Tiller.