Board members have raised concerns about each of the five.

He said the high levels had raised concerns about fire.

Concerns have been raised however about whether the story is in fact true.

Many times it is the girls friends who have raised concerns rather than the girl themselves.

There were other concerns raised at the time, as well.

Concerns about the quality of their work have been raised.

I therefore raised my concerns and questions at first reading.

It's certainly something that raised concerns by some members of Congress.

Members raised concerns about these lines just before the final vote.

Deep concerns have been raised about his record on gun control.