Diary: On the QT ...

No wonder Sir Frank Lowe is threatening retribution against his old enemy, Interpublic, unless it withdraws the allegations made against him.

In the statement issued from IPG's New York headquarters, the marcoms giant adds insult to injury by referring to its bete noire as plain "Mr Lowe" throughout ... Some news Moray MacLennan, the M&C Saatchi UK Group chairman, could have done without before departing on honeymoon. Richard Alford, his managing director, broke his leg so badly during a skiing accident in the US that he can't leave the country ... And a spill on the slopes over Christmas led to the Saatchi & Saatchi chief executive, Lee Daley, being airlifted to hospital with a suspected broken neck. Fortunately it was a false alarm and Daley, though still in pain, is back cracking the whip at Charlotte Street ... Red faces at Avanti Screenmedia, where a prospective client found himself being "propositioned" by an enthusiastic actress auditioning to play a hooker in a new ad for an electronics retailer ... JCDecaux is celebrating Valentine's Day by offering the use of four 48-sheet poster sites in London, Glasgow, Manchester and Birmingham for declarations of love. Would-be romantics can e-mail their bids to: billboardbemine@jcdecaux.co.uk.

The proceeds will go to Macmillan Cancer Relief.