Having ridden for Great Britain in the team pursuit, Jon Dibben went solo in the men's points race to take a stunning victory.
Mark Cavendish started his omnium individual pursuit very fast - too fast, as it turned out, and he faded in the final kilometre to finish 13th quickest behind Colombian Fernando Gaviria. The men's omnium concludes on Saturday evening.
Callum Skinner took a major scalp in the men's sprint when he beat 2015 world champion Gregory Bauge of France.
Mark Cavendish finishes up at the Lee Valley Velodrome after a hard day of racing in the men's omnium. Three rounds of the six-discipline event remain.
Jon Dibben celebrates winning the men's points race after stunningly fast attack in the final two laps of the race that left his rivals standing.
The British quartet of Laura Trott, Elinor Barker, Ciara Horne and Joanna Rowsell-Shand during the women's team pursuit. After a shock fifth place in qualifying, the Brit team rallied to claim bronze.
British sprinter Jason Kenny rides against Jaïr Tjon En Fa of Suriname in the 1/16 finals. Kenny would progress to book his place in Saturday's 1/4 finals.
Eiya Hashimoto (Japan) comes down in the men's points race.
Filip Ganna of Italy celebrates winning the individual pursuit with the team's Davide Castani.
Having already taken the world title in the women's scratch race, Laura Trott assisted GB in claiming bronze in the team pursuit. Next, it's on to the six-discipline omnium.
The American team of Sarah Hammer, Kelly Catlin, Chloe Dygert and Jennifer Valente won the women's team pursuit final against Canada.
Mark Cavendish at the Track World Championships 2016
As part of winning the coveted world title, the victor signs a rainbow jersey: Jon Dibben duly obliges after his points race win.
The USA women's team pursuit squad get themselves mentally ready for the team pursuit final, which they would go on to win.
They may have missed out on riding for the world title and gold medal, but the British women put in a crowd-pleasing performance to claim bronze in front of the home spectators.
The Lee Valley Velodrome is the epitome of Olympic legacy, having become a reguarly-used world-class venue and has helped to introduce many new riders to the world of track cycling.
Mark Cavendish cools down after a round of the men's omnium. The Manxman is hoping to book his place in the 2016 Rio Olympics with a strong performance.
Jeffrey Hoogland (Netherlands) qualified third fastest in the men's sprint behind Matthew Glaetzer (Australia) and Jason Kenny (GB).