Kaylee McKeown won her second gold of the Games in the 200m backstroke and was joined on the podium by Emily Seebohm, who secured bronze.

Australia's Rohan Browning has won the seventh heat of the 100m and in a brilliant time of 10.01 seconds to qualify for Sunday's semifinals.

It was the second fastest Australian run of all time behind Patrick Johnson's 9.93 in 2003, the fastest time by an Aussie at an Olympics and quicker than Matt Shirvington's 10.03 set at the 1998 Commonwealth Games.

The fifth heat of the 100m men's sprint was false started twice with Great Britain's Reece Prescod deemed to have reacted too quickly in under 0.1 of a second the first time the gun went off.

He reacted in just 0.093 of a second but the commentators believed it was just a good reaction.

In the second start, Oduduru was deemed to have swayed on the start line and was shown the black and red card!

Divine Oduduru, our biggest name in male athletics, has been disqualified from his 100m heat after a false start.

Trayvon Bromell is considered the heir apparent but he's finished fourth in his heat with a time of 10.05.

The top three go through in the heats with the next three fastest also qualifying.

Luckily it was the fastest heat so far, but unluckily there were five more heats to come for Bromell.

The second semi was insane as the Ivory Coast's Marie-Josee Ta Lou beat Jamaica's Shericka Jackson by 0.003 of a second.

The Boomers have made history, going through the first three games undefeated for the first time in 15 Olympic campaigns dating back to Melbourne 1956.

It's been an amazing start to the Olympics for the Boomers with an 89-76 win over Germany to go through first in the pool.

The Boomers started slow, going to the first break down by four but after that, it was all Australia as the boys built the lead.

The Boomers are looking good to go through the group undefeated.

Ash Barty has been handed a bronze medal by Novak Djokovic after the Serbian superstar withdrew from mixed doubles after a 2hr 47 minute epic loss against Pablo Carreno Busta for the bronze medal.

The heat has played havoc this Olympics and Djokovic would have had to back up with his partner Nina Stojanovic against Barty and John Peers.

It means Australia win bronze in a walkover and it was third time the charm for Barty after losing early in the singles and doubles competitions.

It was a highly anticipated match up between the two number ones for the bronze medal but it appeared to be one bridge too far for the Serbians, who claimed to have a shoulder issue.

Novak Djokovic has given a walkover in the mixed doubles bronze medal match citing a *left shoulder injury.

Oh my: Novak Djokovic and Nina Stojanovic pull out of the mixed doubles #bronze medal match, which means Ash Barty and John Peers get the medal

Novak Djokovic and Nina Stojanovic won't play the mixed doubles bronze medal match