Its members are among the world’s wealthiest large democracies — close allies and major trading partners that account for a substantial slice of the global economy.
The men were convicted of conspiring to set fire to properties and a car linked to the prime minister after one of them was recruited on a Russian-language Telegram account.
Prime Minister Keir Starmer said his government planned to bar children under 16 from social media, following similar efforts in Australia and elsewhere.