▶ US President Donald Trump has called for an unconditional 30-day ceasefire in Ukraine, warning of further sanctions if Russia fails to comply. A host of European leaders have shown support for Trump's call. ▶ 美国总统唐纳德·特朗普呼吁乌克兰无条件进行为期 30 天的停火，并警告称如果俄罗斯不遵守协议，将面临进一步的制裁。许多欧洲领导人表示支持特朗普的呼吁。 (中文翻译 by AI，若有误欢迎指正)