As it happened: A week of extreme heat in the South sees widespread disruption

Summary

It is the third day of a red warning for extreme heat in the South.
On Friday the warning is in place for parts of Hampshire, Berkshire and Oxfordshire with an amber alert for a wider area until midnight.
The search for a 15-year-old boy missing after going swimming in a lake is continuing at Testwood Lakes.
A new record June temperature of 36.1C (87F) that was set in Gosport, Hampshire on Wednesday was eclipsed by Yeovilton, Somerset on Thursday.
The NHS in Hampshire alongside hospitals in Southampton and Portsmouth and South Central Ambulance Service declare critical incidents.
Several rail operators have extended their reduced service due to the extreme heat into Friday.
About 200 schools across the region have announced closures or reduced hours due to the heat.
There were thunderstorms with dramatic lightning in Dorset on Thursday night.
Follow this advice to keep yourself and your home as cool as possible.

Written by Indy Almroth-Wright, David Gilyeat and Curtis Lancaster. Edited by Stephen Stafford and Toby Wadey