It will inevitably raise speculation that Iran was somehow involved.

The shift has also raised considerable speculation about a change in government.

The agreement raised speculation the Beatles' music may be licensed for download.

The reversal again raised speculation about what the Dolans would do next.

There were enough missed tackles to raise speculation about a lack of effort.

This move raised speculation that the Union was about to undergo a significant political transformation.

The slow pace raised speculation that this round of talks will continue into next week.

Though there was no immediate claim of responsibility, other details have raised speculation.

And the eerie similarities between the two cases have raised speculation that the same party might be responsible for the attacks.

This latest development has raised further speculation about his political future.