The head of Public Health England is being hauled before MPs amid accusations vital evidence is being withheld about the merits of a sugar tax.
Mr Duncan Selbie has been asked to appear in front of the Commons Health Select Committee on Monday.
MPs say they need to see the report on sugar reduction to make recommendations ahead of the government’s new child obesity strategy.
The strategy itself has been delayed.
Health Secretary Jeremy Hunt has said it will now be published later this year, along with PHE’s report looking at how to curb the nation’s sweet tooth, which includes evidence on fiscal measures relating to sugar-sweetened drinks as well as advertising of foods to children.
The head of the Commons Health Select committee, Dr Sarah Wollaston, has accused Public Health England of obstructing its inquiry into child obesity by refusing to publish the report.