Homes in the area were evacuated and two primary schools were closed as army bomb experts deal with the device.

BBC: Northern Ireland

The place has a feeling of uncertainty - two people at the bar, for example, are wondering whether they will be able to get back into their own hotel, closed because of a bomb scare.

BBC: Boston Marathon blasts 'felt like 9/11'

But the blocks around the bomb sites remain closed to the public while Boston officials clean up the area and make sure the buildings are safe to occupy.

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DUBAI, United Arab Emirates (CNN) -- A bomb threat temporarily closed the U.S. Embassy and consulate general offices in the United Arab Emirates on Wednesday, according to a senior United Arab Emirates official and a statement from the embassy.

CNN: Bomb threat closes U.S. Embassy in UAE

The Northland Road was closed and a number of properties evacuated while Army bomb experts examined the scene.

BBC: Arrests on Northland Road, Derry, as weapons seized

In addition, all four bridges from Ciudad Juarez, Mexico, to El Paso were closed for a time Wednesday night due to a bomb threat.

CNN: Long delays reported at U.S.-Canada border

The rooms are designed like upgraded 1950s bomb shelters, with air filters to screen out biological agents, dedicated phone lines, bathrooms and closed-circuit TV systems.

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