and the inability of investigators to access the crash site the "logical conclusion" was that the aircraft had been shot down. 20 July 2011: A British airman was killed in a traffic accident in Italy while part of a logistical convoy transferring supplies from the UK to NATO bases in the south of Italy from which air strikes were being conducted against Libya. Reaction Since the start of the campaign, there have been allegations of violating the limits imposed upon the intervention by Resolution 1973 and by US law. At the end of May 2011, Western troops were captured on film in Libya, despite Resolution 1973 specifically forbidding "a foreign occupation force of any form on any part of Libyan territory". In a March 2011 Gallup poll, 47% of Americans had approved of military action against Libya, compared with 37% disapproval. On 10 June, US Secretary of Defense Robert Gates criticized some of the NATO member nations for their efforts, or lack thereof, to participate in the intervention in Libya. Gates singled out Germany, Poland, Spain, Turkey, and the Netherlands for criticism. He praised Canada, Norway and Denmark, saying that although those three countries had only provided 12% of the aircraft to the operation, their aircraft had conducted one-third of the strikes. On 24 June, the US House voted against Joint Resolution 68, which would have authorized continued US military involvement in the NATO campaign for up to one year. The majority of Republicans voted against the resolution, with some questioning US interests in Libya and others criticizing the White House for overstepping its authority by conducting a military expedition without Congressional backing. House Democrats were split on the issue, with 115 voting in favor of and 70 voting against. Despite the failure of the President to receive legal authorization from Congress, the Obama administration continued its military campaign, carrying out the bulk of NATO's operations until the overthrow of Gaddafi in October. On 9 August, the head of UNESCO, Irina Bokova deplored a NATO strike on Libyan State TV, Al-Jamahiriya, that killed 3 journalists and wounded others. Bokova declared that media outlets should not be the target of military activities. On 11 August, after the NATO airstrike on Majer (on 9 August) that allegedly killed 85 civilians, UN Secretary-General Ban Ki-moon called on all sides to do as much as possible to avoid killing innocent people. According to a