The International Civil Aviation Organization announced that it was sending its team of experts to assist the National Bureau of Air Accidents Investigation of Ukraine (NBAAI), under Article 26 of the Convention on International Civil Aviation. The United Nations Security Council adopted Resolution 2166 on 21 July, regarding an official crime investigation into the incident. On 24 July 2014 the ICAO issued a State Letter reminding signatory states of their responsibilities with respect to the safety and security of civil aircraft operating in airspace affected by conflict.
A makeshift memorial at Schiphol Airport for the victims of Flight MH17
After the crash, memorial services were held in Australia and in the Netherlands, which declared 23 July, the day when the first victims arrived in the country, a national day of mourning, the first since 1962. The opening ceremony of the AIDS 2014 conference, of which several delegates had been on board Flight MH17, began with a tribute to the victims of the crash. In Malaysia, makeshift memorials were created in the capital city of Kuala Lumpur.