The President of the European Council, António Costa, together with the President of Kenya, William Ruto, the President of Brazil, Luiz Inácio Lula da Silva, the Prime Minister of Australia, Anthony Albanese, the Prime Minister of Barbados, Mia Mottley, the Prime Minister of Canada, Mark Carney, and the Prime Minister of India, Narendra Modi, will convene the Partners for multilateralism, international law, peace and prosperity summit (P4M summit) on 21 September 2026 in the margins of the United Nations General Assembly High Level Week.