Attendees are seen in front of branding for the St. Petersburg International Economic Forum (SPIEF) in Saint Petersburg on June 3, 2026. (Photo by Olga MALTSEVA / AFP via Getty Images)

Attendees are seen in front of branding for the St. Petersburg International Economic Forum (SPIEF) in Saint Petersburg on June 3, 2026. (Photo by Olga MALTSEVA / AFP via Getty Images)

Finland's Prime Minister Petteri Orpo (R) gestures as he poses next to Secretary-General of the Organisation for Economic Co-operation and Development (OECD) Mathias Cormann during the OECD 2026 Ministerial Council Meeting (MCM) at the OECD headquarters in Paris on June 3, 2026. (Photo by SIMON WOHLFAHRT / AFP via Getty Images)

A man walks in front of banners with branding for the St. Petersburg International Economic Forum (SPIEF) as black smoke rises in distance in Saint Petersburg on June 3, 2026. Ukrainian drones hit energy and military sites in Saint Petersburg early Wednesday morning as officials gathered for a flagship economic forum in the city, Russian and Ukrainian authorities said. Saint Petersburg Governor Alexander Beglov, said "several" infrastructure facilities were damaged, but no one was killed in the attack. (Photo by AFP via Getty Images)

Cars are seen parked near banners with branding for the St. Petersburg International Economic Forum (SPIEF) at the forum's venue as black smoke rises in distance in Saint Petersburg on June 3, 2026. Ukrainian drones hit energy and military sites in Saint Petersburg early Wednesday morning as officials gathered for a flagship economic forum in the city, Russian and Ukrainian authorities said. Saint Petersburg Governor Alexander Beglov, said "several" infrastructure facilities were damaged, but no one was killed in the attack. (Photo by AFP via Getty Images)

Police officers walk in front of banners with branding for the St. Petersburg International Economic Forum (SPIEF) at the forum's venue as black smoke rises in distance in Saint Petersburg on June 3, 2026. Ukrainian drones hit energy and military sites in Saint Petersburg early Wednesday morning as officials gathered for a flagship economic forum in the city, Russian and Ukrainian authorities said. Saint Petersburg Governor Alexander Beglov, said "several" infrastructure facilities were damaged, but no one was killed in the attack. (Photo by AFP via Getty Images)

Secretary-General of the Organisation for Economic Co-operation and Development (OECD) Mathias Cormann speaks during the OECD 2026 Ministerial Council Meeting (MCM) at the OECD headquarters in Paris on June 3, 2026. (Photo by SIMON WOHLFAHRT / AFP via Getty Images)

(From R) South Korea's Trade Minister Han-Koo Yeo, South Korea's Second Vice-Minister of Finance and Economy Chang Huh, Finland's Prime Minister Petteri Orpo, Secretary-General of the Organisation for Economic Co-operation and Development (OECD) Mathias Cormann pose ahead of the OECD 2026 Ministerial Council Meeting (MCM) at the Organisation for Economic Co-operation and Development (OECD) headquarters in Paris on June 3, 2026. (Photo by SIMON WOHLFAHRT / AFP via Getty Images)