Budapest police have remained tight-lipped about the affair, saying only that they had "initiated an investigation for the unknown perpetrators of suspected murder".

The cell phone giant is remaining tight-lipped about the actual price range, however, refusing to offer specifics on the negotiations.

He remained tight-lipped and took the secret - if secret there was - with him to his grave.

Authorities are remaining tight-lipped about how the censors operate.

Chinese officials are saying the plane was highjacked, but are remaining tight-lipped about any other details.

A writer for Channel 5 commented that while the producers were "remaining tight-lipped" about the outcome to the wedding, there would be a surprise twist.

The parties in Chicago and Cleveland have remained tight-lipped, though there are signs of fraying nerves.

But officials at the Public are remaining tight-lipped about his replacement.

The new owners, Plainfield Direct, are remaining tight-lipped about their plans for the building.

Guinan had hinted at it but not gone into it, and Picard had remained resolutely tight-lipped, as he did about almost everything.