Whatever happened, images found by open-source analysts suggest that Russia has been escalating its military presence in Crimea since at least Saturday - before the supposed attack occurred.
无论发生了什么，开源分析师发现的图像显示，至少从周六（所谓的袭击发生之前）开始，俄罗斯在克里米亚的军事存在就一直在升级。