The UN Security Council has held an emergency closed door session to discuss the crisis.

联合国安理会召开了紧急闭门会议，商讨这场危机。

And in a big emergency closer to home, blood banks often put out calls for donors of a specific type.

在离家较近的重大紧急情况下，血库经常呼吁特定类型的献血者。