POPULAR SUPPORT: Protesters wrapped in Ukrainian flags rallied outside Downing Street during a European summit on the war between Russia and Ukraine. Starmer hosted more than 19 world leaders, mostly from across Europe, and also Canadian PM Justin Trudeau. "Even while Russia talks about peace, they are continuing their relentless aggression," Starmer said at the opening of the meeting. "European Commission chief Ursula von der Leyen warned on Sunday that "we urgently have to rearm Europe". "Italian PM Meloni met with Zelensky on the sidelines of the London meeting on Sunday, reaffirming Italy's support for Ukraine.