If fire happens, you should leave and dial 911 for the fire department.

如果发生火灾，你应该马上离开，并拨打911呼叫消防队。

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React immediately once fire happens.

一旦发生火情立即反应。

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Fire Emergency lighting is crucial in evacuating when a fire happens.

消防应急照明是人员在突发事故情况下安全疏散的重要保证。

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"There are many blocks with one central stairwell and questions will have to be asked about what happens when a fire breaks out, " she said.

BBC: Questions over fire escape routes

The 5% area with the local authority, we have to wait and see perhaps what happens with the police and fire, but it's all come tumbling down.

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When that eventually happens it will set off an economic fire storm raging across America and the entire world.

FORBES: If Alan Greenspan Wants To 'End The Fed', Times Must Be Changing