Unilever will conduct a review of its global tea business, including the PG Tips and Lipton brands, in an apparent strategy rethink by chief executive Alan Jope in the face of slowing group sales growth.

The Magnum, Carte d'or and Ben & Jerry's owner has admitted ice cream sales took a hit in spring and early summer this year due to the cooler weather.

Unilever has reported disappointing third-quarter sales having lost market share to smaller rivals, dampening hopes that a failed takeover bid by Kraft Heinz would spark a swift improvement in performance.

SuperValu say their stores may experience supply issues because of a price dispute with Unilever.