His demands caused speculation in the media that he wanted to be traded from the team.

President Mobutu returned but did not appear in public, causing speculation about his health.

He did not understand the necessity of this, and it caused him considerable speculation.

This caused considerable speculation both in the press and amongst movie fans on the internet.

Someone trained to deal with the situation, who can stay close to her without causing speculation.

Why he should remain here since the settlement of the estate was a subject that caused much speculation.

The book caused much speculation as to the identity of the author.

The mysterious event caused much speculation at the church on the following Sunday.

But the last page was notated "End of movement 1", which has caused considerable speculation ever since.

The secrecy surrounding the circumstance of his death caused speculation for several days.