sentences:  Some of the hundreds of injured, about 100 of them in a critical state, were immediately evacuated across the border to the neighboring republic of Ingushetia that same night.Others were taken across one or two days later, and ambulances faced lengthy delays at roadblocks when the Russian troops attempted to seal the border.The attacks unleashed widespread panic in Grozny and a new wave of thousands of refugees headed for Ingushetia.