不清楚发布这个禁令是否是因为他们曾试图逃跑。

It is not clear whether the ban was issued because they tried to flee.

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这个禁令的首要辩护词是：公共安全。

Take a principal justification for the ban: public security.

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这个禁令在布鲁塞尔由欧洲委员会强行实施。

The ban's been imposed by the European Commission in Brussels.

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