Havana, June 14, 2023.- The President of the Republic of Cuba, Miguel Díaz-Canel Bermúdez, in his capacity as President Pro Tempore of the G-77 + China Group, convened a Summit of Heads of State and Government under the theme "Current Development Challenges: Role of Science, Technology and Innovation", on 15 and 16 September 2023, in Havana.