Teddington Swimming Club’s Yasmine Hamerlaine,. above, secured U12 girls 100m and 200m backstroke gold at the London Regional Championships over the bank holiday.

Hamerlaine’s efforts stood out in a club haul of 12 medals – four gold, seven silver and a bronze – at Crystal Palace.

Thalia Poaros struck gold in the U14 girls 100m butterfly and collected silvers in the 200m and 400m, freestyle races.

Sophie Fussell capped the golden moments off by winning the U13 girls 100m breast stroke.

There were four silver medals for Anna Smail (U13 girls 200m freestyle, 100m butterfly, 200m individual medley and 400m freestyle) and one for Sophie Johnson in the U15 girls 100m butterfly.

The championships continue this week.