Mervyn Kohler, special adviser to charity Age UK has told ITV London that heat can be "stressful" for older people, as scorching temperature continue across the UK.
Mr Kohler said: "For God's sake, let's enjoy it, you have to act sensibly and responsibly, and enjoy the warm weather".
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The Met Office warned children and the elderly are most at risk if temperatures soar to 33C between noon tomorrow and Thursday morning.
A 22-year-old woman with osteoporosis was left with a suspected broken rib in a dispute over a priority seat on the 73 bus in Westminster.
A man who was arrested for drink-driving in Essex penned a heartwarming letter of thanks praising the officer who pulled him over.