At a press conference in the western city of Lviv with Ukrainian President Volodymyr Zelensky and his Turkish counterpart Recep Tayyip Erdogan, Secretary-General Antonio Guterres says that he United Nations wants to step up grain exports from Ukraine before winter. "We will do our best to scale up our operations to face... the coming winter," Guterres says, hailing a deal between Ukraine and Russia brokered by Turkey and the UN that has led to exports resuming this month. SOUNDBITE