On the line! GB reach 4x400m final by slimmest of margins
BBC Sport
Watch as Alex Haydock-Wilson hangs on to third place for Great Britain in their 4x400m relay semi-final, qualifying automatically..
Watch as Alex Haydock-Wilson hangs on to third place for Great Britain in their 4x400m relay semi-final, qualifying automatically..
Great Britain's Matthew Hudson-Smith cruises to victory in his 400m heat while team-mate Alex Haydock-Wilson also reaches the..