On 26 May, 8,915 new cases were confirmed, bringing the total number to 362,342. Confirmed deaths rose to 3,807. President Putin announced that the 2020 Victory Day Parade would be held on 24 June, coinciding with the Moscow Victory Parade of 1945. The Vector Institute said that it plans to start clinical trials of its coronavirus vaccine in late June. Britain's embassy in Moscow said that British Prime Minister Boris Johnson invited President Putin to the virtual Global Vaccine Summit 2020 which is being held by the British government on 4 June.