Rio 2016: Kyle Chalmers wins 100m freestyle gold for Australia

Kyle Chalmers has won gold in the men's 100 metres freestyle final and the women's 4x200 metres freestyle relay and Madeline Groves has won silver in the women's 200m butterfly narrowly behind Spain's Mireia Belmonte Garcia.

Kyle Chalmers celebrates after he won the men's 100m freestyle final. Source: Getty Images

Kyle Chalmers has won gold in the hotly contested men's 100 metres freestyle final.

Australia has won silver in the women's 4x200 metre freestyle relay team final.

It was veteran Bronte Barratt's last race for Australia and she set her team up for a winning, giving Australia a lead into the third leg.

The race before Madeline Groves won silver the women's 200 metres butterfly final just three hundredths of a second behind Spain's Mireia Belmonte Garcia.