Australia's Ellie Cole won the women's 100m backstroke at the World Para Swimming World Series in Melbourne ©Getty Images

Hosts Australia won a trio of gold medals on the second day of the World Para Swimming World Series in Melbourne.

Ellie Cole got Australia's first gold of the day, winning the women's 100 metres backstroke in a time of 1min 11.08secs at the Melbourne Sports and Aquatic Centre.

In second was her compatriot Katja Dedekind in 1:09.87, with France's Anaelle Roulet third in 1:10.56.

"I had my niece here tonight and I promised her I’d win a gold," Cole said. 

"Obviously that’s out of my hands, but she’s going to be really excited when I take it upstairs and put it round her neck. 

"Hopefully I’ve inspired a future Olympian tonight…no pressure."

Jake Michel won Australia's second gold medal, triumphing in the men's 100m breaststroke after finishing in 1:07.36. 

Japan’s Naoh Yamaguchi and Belgium’s Ayme Parmenier came second and third, with times of 1:08.27 and 1:10.53 respectively. 

Tiffany Thomas Kane, who is only 17, then secured her second gold medal of the competition and Australia's third of the day in the women's 100m breaststroke. 

She won in 1:34.64, ahead of New Zealand's Sophie Pascoe in 1:19.99 and fellow Australian Ruby Storm in 1:20.97.

New Zealand's Cameron Leslie won two more gold medals at the World Para Swimming World Series today, breaking a world record that had stood for nearly 11 years in the process ©Getty Images
New Zealand's Cameron Leslie won two more gold medals at the World Para Swimming World Series today, breaking a world record that had stood for nearly 11 years in the process ©Getty Images

Australia's three gold medals today takes their overall tally to five, meaning they lead the medal table. 

New Zealand also had a successful day, winning two gold medals and setting two world records, including one that had stood for nearly 11 years. 

Cameron Leslie took both golds, adding to the medal he won yesterday in the men's 100m freestyle. 

Today he triumphed in the men's 100m backstroke with a time of 1:34.42, an S4 world record. 

Finishing behind him was Ugo Didier of France in 1:03.71 and Ka Chun Hui of Hong Kong in 1:02.80.

The previous S4 record of 1:37.33 was set by Juan Reyes of Mexico in July 2008.

Leslie's second gold came 45 minutes later in the 50m freestyle.

He won in 38.5, while Australia's Timothy Disken and Rod Welsh came second and third with 25.70 and 25.27 respectively. 

Pascoe set a S9 world record in the women's freestyle 50m multi-class race, recording a time of 28.14 to finish second in second place behind France's 50-year-old Claire Supiot

She beat the previous record, set by American swimmer Michelle Konkoly, by 0.10 seconds.