Ellie Simmonds, Britain's poster girl in London, opened her Rio account with a sixth place finish in the first of her four events.
Andy Lewis brings home a gold medal.
Bronze for Britain in the backstroke.
Of the wonderful double medal scoop she said she was crying "tears of joy". But I knew when the classification got changed it was going to be the point where I worked my hardest. "It is a place that has made my dream come true". Doing the two sports is insane.
"The Paralympic movement as a whole is progressing so much". Yang nearly secures victory with two rounds left with a lead of over four points.
He attributed his coolness and pressure to a combination of natural talent and training.
Morris, who had her legs amputated after developing reflex sympathetic dystrophy which involves a malfunction of the nervous system and causes extreme pain and sensory issues, said: "It's just the most incredible thing ever".
Xu Qing broke his own world record to win his third straight Paralympic 50m butterfly S6 gold medal. But the 23-year-old former swimmer from Peterborough lost out to the USA's Grace Norman by one minute and four seconds.
But Tom Aggar had to settle for bronze in the arms-shoulders singles sculls. "I didn't expect it".
"I've got loads of confidence after winning that gold, it feels great knowing I've got the potential to do well", said Robinson. I have a lot of modifications that aren't all their way to their peak at all times.
"It might be my last Games, it depends on the condition of my body".
"All of a sudden I started feeling the pressure".
Another gold comes in the men's 50-meter freestyle, S7 category.
Meanwhile, Chris Skelley takes on Cuba's Pan-American champion Yordani Fernandez Sastre for bronze in the -100kg division, also at 19:30 BST.
Pamela Relph was the only member of the mixed coxed four boat to have also won gold at London 2012, but they had won three successive world titles.
"It wasn't my personal best‚ but tonight was never about time‚ it was about getting into that pool and getting to the 100m first".
The 18-year-old from Bromsgrove said: "If you'd have told me four years ago from when I was sitting in a hospital bed watching London 2012 that I'd be here now winning a Paralympic gold medal I'd have said, "No chance".
There were three triathlon medals as the women took part in the sport's debut Paralympics at Copacabana beach. "I was alone for the first time and had to really face my disabilities".
Britain's Louis Rolfe defeated Colombia's Alvaro Galvis Becerra in the bronze medal match.
A second British gold arrived as Lauren Rowles and Laurence Whiteley triumphed in the TA mixed double sculls.
Gasimov defeated Ukraine's Solovey Dmytro in the men's -73 kg finals.
The 25-year-old from Leeds won a sensational gold in the women's C4/C5 500 metres time-trial on Saturday to become the first Briton in 28 years to win medals in two sports at the same Paralympics.
However, the Vietnamese rose to the occasion with a successful 181kg effort, propeling himself back into the lead and into the history books with a new Paralympic record.
Song touched the wall in 59.19 seconds, beating the previous record of 1:00.45 set by Australia's Peter Leek in 2010. A great bit of skill and China go on to win 1-0. Expect him to take his tally of golds into the teens.
Zou recorded a best throw of 21.86 meters, 3.44 meters further than Heikkinen's longest effort.