The Metropolitan Transportation Authority is planning a subway line under the hall, raising concerns that train vibrations will spoil the sound.
Protest organisers had been raising concerns that authorities might detain Hazare and force feed him.
American officials have fought back, raising concerns that the institution would be redundant and alarmingly opaque.
Germany has threatened to cancel contributions, raising concerns that money is going to the US treasury.
Lines were long in urban areas, raising concerns that not everyone would be able to vote Wednesday.
Tax experts are also raising concerns that corporate donors to "super PACs" may be deducting their contributions as business expenses.
As the latest in a series of deadly accidents, it is raising concerns that India's railways are increasingly unsafe.
But the unregulated industry is also raising concerns that Indonesian swiftlet farmers could be producing more than just nests.
Property prices reached a new peak least year (see chart), raising concerns that the market was again overheating.
Several suicide vests have also been found inside the Defense Ministry, raising concerns that the ministry itself was not secure.
And states are responding in sometimes desperate ways, raising concerns that they, too, could face a debt crisis.
