Brazilian lightweight Robson Donato Conceicao proved too fast for Great Britain’s Joseph Cordina ©AIBA/Facebook

"Photo_Gallery"

Croatian light heavyweight Hrvoje Sep suffered defeat at the hands of Cuba's Julio La Cruz ©AIBA/Facebook

Bantamweight Michael Conlan (red) was one of three Irish fighters to advance to the semi-finals ©AIBA/Facebook

Cuban heavyweight Erislandy Savon (red) got the better of Uzbekistan's Rustam Tulaganov (blue) ©Hill+Knowlton Strategies

Super heavyweight Joe Joyce was Great Britain's only winner on day five of competition, beating Turkey's Ali Demirezen ©AIBA Doha 2015/Twitter

The Philippines' Eumir Marcial (blue) lost out to number one seeded welterweight Daniyar Yeleussinov (red) of Kazakhstan ©AIBA Doha 2015/Twitter

Cuba's Lazaro Alvarez (red), the number one seeded lightweight, was too strong for Ukraine's Tymur Beliak (blue) ©AIBA Doha 2015/Twitter

Great Britain's two-time former world champion Amir Khan visited the Ali Bin Hamad Al Attiyah Arena today ©AIBA

Khan spoke to the media as part of his visit ©Hill+Knowlton Strategies

Yousuf Ali Al-Kazim, President of the Qatar Boxing Federation, welcomed Khan to the 2015 AIBA World Boxing Championships ©Hill+Knowlton Strategies