Both leaders share concern over the threat of violence by militant Islamic groups.

It also works because you haven't got people looking over your shoulder or the threat that someone will pull the plug and call in the loan.

Forman concealed his fright over the threat he had heard.

This was his concern over the omnipresent threat of the Soviet Union.

But growing concern over the threat of Iraqi chemical weapons evidently helped to change the army's mind.

You will choose pride and selfishness and life over the threat of death.

Both industries are extremely anxious over the threat of piracy from Asia.

Public concern over the Soviet nuclear threat has declined along with the American military budget.

MI5 recently highlighted its concern over the threat of an attack on the British mainland by such groups.

Today, some parents expressed concern not only over the possible threat of lead poisoning but also over the range itself.