ISIS fanatics are heartlessly revelling in the inferno at Notre Dame Cathedral just days before Easter calling it ‘retribution and punishment’, according to terror intelligence researchers.

A poster of the blazing cathedral appeared online accompanied by the words, ‘Have a good day,’ and was created by the ISIS-affiliated Al-Muntasir group according to the Terrorism Research & Analysis Consortium.

The poster says: ‘Its construction began in the year 1163 and ended in 1345. It’s time to say goodbye to your oratory polytheism.’

The jihadists referred to the catastrophe as ‘retribution and punishment,’ SITE intelligence reported.

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