New Delhi, May 14 -- A new book by French journalist Florian Tardif has reignited one of Europe's most talked-about political scandals. Tardif, a journalist with Paris Match, claims French President Emmanuel Macron was slapped by his wife Brigitte during a foreign trip last year.

The incident was caught on camera as the couple prepared to disembark their plane in Hanoi, Vietnam, in May last year.

Tardif's book, titled An (Almost) Perfect Couple, was published on 13 May. In an interview with RTL France, Tardif claimed the slap followed a tense discovery on Macron's phone.

Brigitte, 73, allegedly read a message from Iranian-born actress Golshifteh Farahani. The First Lady allegedly found a message to the 42-year-old actress on her husban...