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MIAMI, Florida (CBSMiami) - A terminal at Port Miami was evacuated Wednesday morning after anantique compass was discovered by Customs and Border Patrol agentsemitting some radiation.

Miami-Dade Fire helped evacuate the terminal and said the unknown substance was in a bag. The bag was found around 9 a.m.

When CBS station WFOR's Chopper 4 arrived on scene,there were passengers still on shipsthat had yet to disembark and other people standing around on shorewaiting for further direction.

An all-clear was given at the scene around 11 a.m. Wednesday.

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