But several worried about a potential hazard for a medicine widely used in very sick patients.

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"The dangers relate not just to cathedral staff and visitors but are a potential hazard to those encamped, " it added.

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Ireland's Minister for Justice expressed concern that the new Apple maps identify a working farm in a residential area of suburban Dublin as an airport, a potential hazard for pilots.

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"With a strike-slip event you don't have the same potential hazard for a tsunami as you do with a subduction event because the plates are moving adjacent to each other, " Dutton told OurAmazingPlanet.

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Longer term, though, there is another potential hazard.

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The council said open lids snag on the lifting machinery and are a potential safety hazard to the staff.

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At that point, the U.S. Coast Guard determined it posed a threat to other ships navigating the area as well as a potential environment hazard, he said.

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While some are saying that this is a harbinger of things to come, others are cautioning that such technology is not only expensive but also a potential ecological hazard.

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"I don't think anyone in the industry, including ourselves, were fully aware of the potential of dust as a hazard, " Mr. Mechler said.

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There would be a widespread hard frost, with ice a hazard, on Wednesday night while snow expected for Scotland and northern England on Thursday morning would bring the potential for disruption.

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