GB picked up silver and bronze medals in the men and women's 4x400m relays on the final evening of the World Championships in London.

London 2017: GB win silver and bronze in 4x400m relays

Botswanan athlete Isaac Makwala has qualified for the 200m World Championships final - after pulling out of the heats through illness.

Makwala into 200m final after 'illness' scandal

Runner Isaac Makwala has accused the IAAF of "sabotage" after he was barred from competing in the World Championships on Tuesday.

Olympic gold medallist Elena Lashmanova is facing allegations that she participated in a race while being subject to a two-year doping ban

The IAAF have confirmed that the son of president Lamine Diack has stepped down from his activities with athletics' world governing body

Athletics is at the centre of fresh doping claims after it was alleged the sport's world governing body ignored suspicious blood tests