The project was shut down last year because of questions about its safety.

I'm telling you it's a liability because of questions like that.

The bureau, however, does not conduct such tests because of questions about their legality.

Because of antitrust questions raised by some firms, the matter is still under debate.

Opportunities to do so "may have been missed" because of legal questions surrounding such an attack.

This has happened mostly because of questions about its reliability.

However, to date the referendum has not been held because of questions over who is eligible to vote.

However, Brown was fired because of questions about his past.

The hospital did not open for nearly a decade because of city budget crises and questions about its costs.

The city is not using malathion this year, in part because of questions about its health risks.