As Putin welcomed foreign guests to his flagship economic forum, Ukrainian drones and fuel shortages turned his show of strength into a spectacle of vulnerability watched in real time by millions of Russians.

Ukraine launched a mass drone attack against several Russian regions early on Wednesday and struck an oil terminal in St. Petersburg, coinciding with the opening of the country's…

Ukrainian drones struck an oil terminal in St. Petersburg and set it ablaze, Ukrainian President Volodymyr Zelenskyy said, as the city hosted an annual economic forum promoted by…