Water, water everywhere: Canoeists competing in the men's kayak double (K2) 200m sprint heats at Eton DornayTurkey's Nur Tatar is stunned by Grenada's Andrea St Bernard foot during their women's taekwondo bout in the -67 kg categoryChrystalleni Trikomiti of Cyprus competes using the ribbon in her individual all-around gymnastics qualification match at Wembley ArenaAt the men's 10km open water swim course, drinks bottles are readied for the competitors to collectAhead of the men's football gold medal match at Wembley on Saturday, one member of the Mexico squad works on a skill more akin to all-around gymnasticsAshraf Aliyev of Azerbaijan (left) grapples with Sohsuke Takatani of Japan to see who'll blink first in their 74kg freestyle wrestling bout at ExCeLKaeo Pongprayoon of Thailand is a study of concentration before his men's light flyweight semi-final bout against David Ayrapetyan of RussiaBritish bantamweight boxer Luke Campbell lands a decisive blow during his semi-final win over Japan's Satoshi Shimizu at ExCeL, with the Hull fighter going through to face Ireland's John Joe Nevin in the gold medal match on SaturdaySaskia Clark of Great Britain dives into the water to celebrate winning a silver medal with team mate Hannah Mills in the 470 sailing classOn your marks, get set, go: The field race down the starting ramp in the women"s BMX cycling semi-finalsCanada's synchronised swimming team look to catch the eye of the judges with their routine at the Aquatics CentreLights, camera, distraction: Russia's Maxim Mikhaylov saves a shot from going into the photographer's benches during the volleyball semi-final against BulgariaElation for the Great Britain women's hockey team as players rush to congratulate goalscorer Christa Cullen (second right) in a 3-1 win over New Zealand in the bronze medal match at the Riverbank ArenaGreat Britain sailor Luke Patience performs a celebratory somersault after winning a silver medal with team-mate Stuart Bithell in the men's 470 classMeanwhile, the gold medallists in the 470 class are Mathew Belcher (right) and Malcolm Page (left) of Australia who celebrate by climbing onto the Olympic ringsWhilst at the end of the course, Tunisia's Oussama Mellouli collapses with relief and exhaustion after winning the gold medal in the men's 10km open water swimSzabolcs Zubai of Hungary shoots over Magnus Jernemyr of Sweden during the men's handball semi-finalGreat Britain's Tom Daley twists during his first dive during the men's 10m platform preliminary round at the Aquatics CentreFrance's Romain Mesnil looks on anxiously as he has a close shave with the bar in the men's pole vault final at the Olympic StadiumSlam dunk the funk: Spain's Pau Gasol dunks the ball to score in a 75-70 semi-final win over RussiaBritish sprinter Adam Gemili looks back as he prepares to receive the baton from Daniel Talbot on the fourth leg for the 4x100m team in their first round heatBut an error between Gemili (right) and Talbot on the handover leads to the relay team being disqualified from their first round heatHammer time: Great Britain's Sophie Hitchon winds up ready to throw the hammer during the final at the Olympic Stadium