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20.24.- Edgar eighth in sprint

In the final race of the evening, Ross Edgar finished eighth in the men's sprint. First race on the last day of the World Championships will be the semi-finals of the men's sprint at 10 am local time.

20.18 Gonzalez gold

Cuban Yumari Gonzalez has won the women's scratch race with a powerful late surge. Second, pending a jury's decision, was Colombian Maria Luisa Calle, with the USA's Rebecca Quinn in bronze. Curtis put in a solid ride to finish in the main pack.

20.09 - Women's scratch race underway

The women's scratch race is now underway. Young rider Katie Curtis is Britain's only rider - making her debut at this level.

19.57 - Pendleton takes Britain's fifth gold!

Victoria Pendleton comfortably saw off Shuang Go of China in the second round of the women's sprint to take Britain's fifth gold of the World Championships.

19.55 - Meares takes bronze in women's sprint

Anna Meares of Australia has taken bronze in the women's sprint, by beating Lisandra Guerra.

Next up is Vicky Pendleton's battle for gold.

19.35 - MacLean beats Edgar to go through to next round

In the quarter finals of the men's sprint, Craig MacLean has beaten fellow-Briton Ross Edgar to go through to the semis. The first of the semis will be on Sunday morning at 10 am local time.

19.25 - Llaneras takes seventh World title

Joan Llaneras has just won the points final for Spain, it's the 38-year-old's seventh World gold. The Spaniard is from Mallorca, was the madison partner for the late Isaac Galvez, who died in a tragic accident in the Ghent Six last winter, and he's being cheered to the rafters in the packed-out velodrome.

18.35 - Points final next

Following several changes of schedule, the organisers have decided that the next event will be the men's points final. Nice of them to make up their minds. Great Britain has nobody in this event after Chris Newton was eliminated this morning.

18.33 - Pendleton takes first round

And it's round one to Victoria Pendleton as she easily outguns her Chinese rival in the women's sprint final Shuang Guo

18.23 - Women's sprint final next

The women's sprint final is coming up next, and Vicky Pendleton could be up for her second gold of this year's World Championships.

18.18 - MacLean wins second round of men's sprint

Craig MacLean has bounced back into the men's sprint by taking the second round against fellow-Briton Ross Edgar. The two now have won one sprint each and a third deciding round will now be necessary.

18.04 -Tsylinskaya takes bronze

Natalia Tsylinskaya takes bronze with a time of 34.430 seconds. Second was Lisandra Guerra of Cuba, and first new world record holder Anna Meares of Australia. Reade finally placed fifth, Blyth eighth.

Next up is the second round of the men's sprint.

18.02 - Meares sets new world record!

Anna Meares of Australia has just beat her own world record, with a time of 33.588 seconds. This is nearly half a second faster than Meares previous best, 33.944 seconds, and with one rider left to go she is sure of taking a medal.

17.59 - Lisandra Guerra clocks best time

Cuban Lisandra Guerra now sets the best time, 34.015. But Anna Meares is next...

17.58 - Simona Krupeckaite of Lithuania pushes Reade out of gold

Krupeckaite has just clocked a time of 34.487 seconds, pushing Read out of gold.

17.49 - Anna Blyth sets third best time

Great Britain's Anna Blyth sets the third best time of the night so far, 34.870 seconds. Just seven riders have yet to start.

17.20 - Shanaze Reade lays down her mark

In her first ever 500m time trial, the 18 year old BMX rider from Crewe goes within a second of the world record, stopping the clock at 34.633 seconds.

17.11 - Edgar beats MacLean

Ross Edgar took the first sprint in the quarter finals against team mate Craig MacLean. Edgar is flying this weekend.