Horton was the first Australian champion in the race, seen as one of the premier titles on the programme, since retired swimming great Ian Thorpe at Manchester in 2002.
Buchanan said her team did their best to match it with their trans-Tasman rivals.
Canada finished second, with England third.
"I think that is what we have done".
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It is also unclear whether all of the Army of Islam fighters have agreed to leave and how long the evacuations will take. Jaish al-Islam is the last remaining rebel group in Eastern Ghouta but has repeatedly denied agreeing to leave the area.
The Australians set a new Games record in qualifying, the slick 3mins 52.041 sec effort more than three seconds clear of second-placed England. Alistair, who had surgery on his hip last August, placed 10th in an afternoon race hit by rain.
His 144 in the clean and jerk secured the record and an unbeatable lead, and he celebrated with a jig and a jog around the lifting area with the Malaysian flag.
Some 6,600 athletes from 71 nations and territories - all of them former British colonies that now make up the Commonwealth of Nations - are taking part in 18 sports (seven para-sports) for a chance to pick up a total of 275 gold medals.
RECORD CYCLES: Australia won both the men's and women's 4,000-meter team pursuits in record times.
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The team of Shayna Jack, Bronte Campbell, Emma McKeon and Cate Campbell lowered the previous world record of 3:30.65 set by Australia at the 2016 Rio Olympics.
Australia's other medals came with bronze in the men's team sprint to Pat Constable, Matt Glaetzer and Nathan Hart, bronze to Thomas Clarke and Bradley Henderson in the 1km tandem time trial, and silver to Jess Gallagher and Maddison Janssen in the women's tandem sprint.
Australia's women's freestyle relayers were last beaten at a Commonwealth Games in 1994.
With Wales needing a win to stay alive in its opening round against India, Hursey partnered Charlotte Carey and produced some big forehands to help in 3-2 victory.
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"No", Trump said tersely when asked about the cash that Michael Cohen doled out to Daniels just days before the 2016 election. Asked why Cohen made the payment if there was no truth to the woman's allegations, Mr.
"This is the stuff of dreams and to have that in reality is something I'd never take for granted again".