欧盟委员会主席冯德莱恩：如果俄罗斯违反任何停火协议，欧盟准备采取更严厉的制裁措施。

Core Viewpoint - The European Commission President Ursula von der Leyen stated that the EU is prepared to impose stricter sanctions if Russia violates any ceasefire agreements [1] Group 1 - The EU is closely monitoring the situation regarding ceasefire agreements with Russia [1] - Stricter sanctions are being considered as a response to potential violations by Russia [1]