Especially when it concerns a serious matter of public health and safety.

This is not only an interesting speculation, but one which nearly concerns a vital matter.

Half of the questions concerned the Lewinsky investigation or related matters.

"It concerns a matter that comes under the heading of Treadstone."

This Green Paper is important, seeing as it concerns a matter that needs to be dealt with.

My last remark concerns a matter in which nuances of wording once again play a role.

Senator Cohen declined to elaborate on the document, saying it concerned a classified matter.

He also made a couple more calls, concerning other matters he had cooking, and heard nothing too troublesome.

He could issue, on his own authority, praetorian edicts, but they concerned only matters of detail.

Issues that need to be raised, and ground rules to be agreed, will concern such matters as: