Katie Shanahan won her second backstroke title of the week while Ed Mildred took his first ever on the fourth night of action in London. Here’s a selection update.

Ollie Morgan stamped his authority all over the third night of finals at the London Aquatic Centre, demolishing his own British Record in the 100m backstroke with a 52.12 blast. That was one of a number of exciting finals that secured several more swimmers their places at the world championships.