Mark Foster poses at the ball for Britain's Olympic and Paralympic teams at Battersea Park in London, Britain, November 30, 2016. REUTERS/Hannah McKay 

Britain's national flag-bearer Mark Foster waves as he leads the British Olympic team during the opening ceremony of the Beijing 2008 Olympic Games at the National Stadium August 8, 2008. The stadium is also known as the Bird's Nest. REUTERS/Shaun Best (CHINA) 

British swimmer Mark Foster poses for photographers with the Union flag outside the National Aquatics Centre, also known as the Water Cube, in Beijing August 6, 2008. Foster, who is competing at his fifth Olympic games will carry the British flag at the opening ceremony. REUTERS/Phil Noble (CHINA) 

British swimmer Mark Foster poses for photographers with the Union flag outside the National Aquatics Centre, also known as the Water Cube, in Beijing August 6, 2008. Foster, who is competing at his fifth Olympic games will carry the British flag at the opening ceremony. REUTERS/Phil Noble (CHINA) 

British swimmer Mark Foster poses for photographers with the Union flag outside the National Aquatics Centre, also known as the Water Cube, in Beijing August 6, 2008. Foster, who is competing at his fifth Olympic games will carry the British flag at the opening ceremony. REUTERS/Phil Noble (CHINA 

British swimmer Mark Foster poses for photographers with the Union flag outside the National Aquatics Centre, also known as the Water Cube, in Beijing August 6, 2008. Foster, who is competing at his fifth Olympic games will carry the British flag at the opening ceremony. REUTERS/Phil Noble (CHINA) 

British swimmer Mark Foster smiles at photographers after arriving at Beijing airport for the Beijing 2008 Olympic Games, August 5, 2008. REUTERS/Phil Noble (CHINA) 

British swimmer Mark Foster (R) and Finnish Jere Hard congratulate each other after the 50 meters butterfly final in the European Short Course Championship held in Valencia December 17, 2000. Foster won with a time of 23.31 seconds followed by Hard.

JR/CLH/ 

British swimmer Mark Foster celebrates his victory in the 50 metres butterfly in the European Short Course Championship held in Valencia December 17, 2000. Mark Foster won with a time of 23.31 seconds.

JR/CRB