The International Security Assistance Force have issued a short statement saying that they are still in the process of investigation:
ISAF is still in the process of reviewing the circumstances to determine more facts.
Our thoughts and prayers go out to the family and friends affected by this tragic event.
More top news
The decision was met with outrage and anger by UK cities which were on the shortlist for the prestigious award.
Mr Lewis is one of a number of Labour and Tory MPs under investigation by party officials over allegations of inappropriate conduct.
A jury has failed to reach a verdict in Emile Cilliers' trial on charges of attempting to murder his wife by tampering with her parachute.