"Questions have arisen concerning your recent activities that require an immediate explanation."

Many concerns have arisen concerning the treatment of Menards' employees, and how situations are handled by the company.

Several abuse and murder allegations have arisen concerning the prison staff's treatment of its inmates:

Although claimed to be three times the size of the previous station area, issues have arisen concerning the size of them.

As the runaway crisis drew larger legal attention, issues arose concerning underage runaways and their parents.

In 922 a controversy arose concerning the Hebrew calendar, that threatened the entire Jewish community.

Following Akin's comments, additional controversies arose concerning other remarks made by various Republicans.

And those concerns arose against a history of problems and questions concerning autopsies in New Jersey.

Many myths have arisen concerning the Percy French incident.

During his term of office, some differences arose between him and the Government concerning the extent of his discretionary fiscal powers.