The success sparked speculation that she would retire from international duty when she was on top of her long career.

Mercury's increasingly gaunt appearance at the ceremony sparked further speculation from the public about his health.

And the tour sparked speculation among the Iranians about whether she would return to Iran.

That has sparked speculation about other big agency companies looking to buy Freeman.

He failed to turn up to his trial, sparking speculation.

It would have sparked speculation that they had lost confidence in mangement.

The appearance sparked speculation that she may be planning a comeback.

The friction sparked speculation that other big agency companies were interested in buying Freeman.

The latter sparked speculation that there could be a new series, but Howerd's death in 1992 put an end to any such prospect.

Leyla is reluctant to talk about her past, which sparks speculation about why she has moved to the village.