Britain's Laura Stevens won her first world title in the women's 200m butterfly at the World Aquatics Championships in Doha.
The 24-year-old swam in 2 minutes 7.35 seconds to become Britain's first individual women's world champion since 2011.
“It's unbelievable. With 50 meters to go all I was thinking was holding on,” Stevens said.
Later on Thursday, the British women's team won silver in the 4x200m freestyle, their 15th national medal in total.
The British quartet of Freya Colbert, Abbie Wood, Lucy Hope and Mehdi Eira Harris finished in 7 minutes 50.90 seconds.
Great legs from Wood gave Great Britain the lead at the halfway mark, but Britain held off late momentum to hold off Australia, who took bronze, and China came back to take gold.
Elsewhere, Duncan Scott finished sixth in the 200m individual medley after qualifying comfortably in third place.
Matt Richards narrowly missed out on a medal in the men's 100m freestyle, finishing fourth behind world record holder Zhanle Pan of China in first place, Alessandro Milessi of Italy in second place, and Nandor Nemeth of Hungary in third place. Ta.
Anna Hopkin swam the women's 100m freestyle in 53.12 seconds on Friday, placing second behind Dutch swimmer Marit Steenbergen (52.53 seconds) to qualify for the final and aim for her first individual world medal.
Luke Greenbank and Brodie Williams missed the cut in the men's 200m backstroke, finishing 9th and 12th overall respectively.
In high diving, a non-Olympic sport, Britain's Aidan Heslop completed the most difficult dive in world championship history and won his first world title.
The 21-year-old scored 151.90 points on his final dive from 27 meters, giving him a total of 422.95 points, ahead of France's Gary Hunt (413.25 points), who won silver, and Catalin-Petr Preda, who took bronze (413.25 points). 410.20 points) and won the gold medal.
Britain has won three gold, four silver and eight bronze medals at the World Aquatics Championships.