I know how to stop swimmers using the wildlife ponds on Hampstead Heath (Report, 27 May). Erect a picture of all the enormous crayfish – an invasive species – now inhabiting many of the ponds, particularly the one pictured. I certainly wouldn’t want to be swimming with them snapping at my toes.
Emilia Benjamin
London
• A cup final between clubs from London and Paris (Paris Saint-Germain retain Champions League as Arsenal dream dashed in shootout, 30 May) would surely have been best played in Belgium, close to both teams? Granted, it would have been harder to organise – and may have had to be a week later – but the future of humankind should not be sacrificed to finals in faraway venues.
Dr Peter Emerson
Belfast
• My late granduncle used to say of the great teams: “You’d get up in the middle of the night to watch them.” That Arsenal team? You’d go for a nap in the middle of the day to avoid watching them. Doctors might start prescribing Arsenal recordings to patients with insomnia.
Rob Sadlier
Dublin, Ireland
• It seems the colonial attitudes seen in Brian Friel’s great play Translations are alive and well in modern Britain. Last week, my sister was told by the British Passport Office to change her name from the Greek spelling, Paraskou, to Paraskos if she wants a passport.
Dr Michael Paraskos
London
• Jeff Warren (Letters, 31 May) says that in computing the nine times table, “the answer always adds up to nine”. Eleven nines are 99.
Danny Tanzey
Thornton-Cleveleys, Lancashire
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