American Tatyana McFadden has already won a gold medal tonight in the 5,000m to complete a golden hat trick in Rio. 

She goes for her fourth as a team member next in the women's T53-54 4x400m relay. 

And she's not finished yet. She'll go for two more medals and that finishes on Sunday with the marathon. 

Before the Paralympics started, Great Britain's Para-cycling and Para-athletics world champion Kadeena Cox spoke to BBC disability news correspondent Nikki Fox about her ambitions for the Paralympic Games in Rio.

It is fair to say Cox has had a Paralympics she will never forget with two gold medals - one on the track and one in the velodrome - with a further bronze in athletics.

Cox is part of a British quartet aiming for athletics relay gold as her, Georgie Hermitage, Sophie Hahn and Olivia Breen go in the women's 4x100m t35-38 final.

Gigi Salmon
BBC Radio 5 live commentator in Rio

Alfie Hewett and Gordon Reid have to get the medal ceremony over and get home because tomorrow they will be fighting it out for the gold medal in the singles.

It is silver for the British men's pairing of Gordon Reid and Alfie Hewett in the wheelchair tennis men's doubles.

French duo Stephane Houdet and Nicolas Peifer take the gold with a 6-2 4-6 6-1 win.

At least Reid and Hewett have the knowledge that one of them will be winning a gold medal tomorrow, as team-mates become enemies (only briefly) as they play each other for the singles gold medal.

Image source, AFP

While we wait for the swimming to resume, here's a quick reminder of how the classification system works. 

Remember - the lower the number, the higher the impairment. 

Kate Grey
Two-time Paralympian

We have a delay in the swimming because of a mysterious object in the pool.

I have spoken to every official possible and they don't know what it is so they have put everything on hold.

Aaron McKibbin was part of the British table tennis team that lost 2-0 in their semi-final against Ukraine, ending the hopes of a British gold. But he is staying positive.

Chris Slegg
BBC London sports journalist in Rio

Here's Piers Gilliver proudly showing off the epee fencing silver medal he won on Tuesday.

He turns 22 on Saturday - he wasn't even born the last time Britain won a Paralympic fencing medal.

He says he was overwhelmed by the way the Brazilian crowd got behind him when he was competing.

Here are some more quotes from gold medal-winning canoeist Jeanette Chippington, who won gold earlier on today.

She told BBC Sport: "I have to pinch myself. Give me a couple of years and it will probably sink in. I don't often say this but I'm really proud of myself.

"I didn't know I'd got the gold. The German girl crossed the line and screamed and the cameras were on here. It wasn't until I got to boat control they said I had got the gold." 

Image source, EPA

The Paralympics have changed many lives and I'm sure have been a motivation to most of you reading this. 

But how did it all start? 

Dr. Ludwig Guttman said he "dreamed of a world where people with disabilities could compete", when he was treating injured servicemen at Stoke Mandeville hospital in 1948. 

Since then, a small archery tournament has transformed into a global showpiece and Radio 5 live spoke to the daughter of the Paralympics pioneer. 

Bitter disappointment for the GB men's wheelchair basketball team as they lose 69-63 to Spain in the semi-finals.

Their heads drop as the Spanish start celebrating a historic win.

GB struggled with their shooting throughout and will now face either USA or Turkey for bronze on Friday.

Kyle Marsh hits massive three pointer as GB trail in the semi final against Spain by five points with one minute left. 

This is tense. 

Nick Hope
BBC Sport's Paralympics reporter in Rio

Gordon Reid and Alfie Hewett level the match at one set all, recovering from their first set loss of 2-6 by taking the second 6-4.

'Team Reid' fans rise to their feet to salute their hero. It's been a brilliant comeback and at the moment there seems little French pair Stephane Houdet and Nicolas Peifer can do to stop the GB duo.

Can Reid and Hewett maintain this pressure and claim GB's first-ever Paralympic doubles gold?

But it is bad news at the start of the deciding set as France come up with an early break of serve.

Image source, BBC Sport

A British team consisting of Rio gold medallist Will Bayley, Aaron McKibbin and Ross Wilson have lost their semi-final 2-0 to Ukraine. 

Wilson and McKibbin lost the doubles in four sets before Bayley was beaten in the singles in straight sets. 

But the result means they can still win a medal because they will play for bronze in their next game. 

Bayley said: “We’ve just got to go again and try and win tomorrow. We’ll come back fighting and we’re looking forward to it.”

We've been talking about it, and now you can watch it.

Great Britain's Richard Whitehead looked to have no hope of a medal as he was down in seventh halfway through the men's 100m T42 final. But a storming finish sees him end in joint-second place.

It is some performance from the Brit, and well worth a watch.