On May 31, 2010, the Gaza Freedom Flotilla comprising of the Mavi Marmara, Sfendoni, Challenger I, Eleftheri Mesogios, Gazza I and Defne Y vessels, departed with the aim of delivering humanitarian aid to Gaza but were confronted with an illegal raid and intervention by Israeli military forces. The vessels were only carrying humanitarian aid and aid workers. During this attack and in its aftermath, 10 humanitarian aid workers lost their lives and 56 were severely injured. Nine of the 10 were brutally killed during the attack, and the 10th victim died after spending a prolonged period in a coma