They will fire off a signal flare.

他们将发射一枚信号弹。

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Some 60 firefighters and six trucks remained at the site to battle any flare-up, the fire brigade said.

消防队说现在还有60多名消防队员和6辆卡车坚守在火场以应战任何突发的火势。

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Witnesses say a flare or fireworks may have sparked the fire.

目击者称火灾可能是由烟火火花导致。

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Witnesses said that a flare or firework lit by band members may have started the fire.

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