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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Alerts remain in place today after parts of London were flooded by tidal surges.
A man who hit a 13-year-old boy leaving him bedbound for life has been jailed for three years.
The killer's solicitor has written to police challenging them to prove his confession.