AFP Theresa May in front of the disintegrating backdrop at Tory conference
As the speech continued, more letters fell to the ground, eventually leaving the writing totally incomprehensible.
The slogan on the backdrop to the stage read "Building a country that works for everyone".
But halfway through the speech, the F fell off leaving the message "Building a country that works or everyone".
Within minutes of the PM finishing her speech, nearly half the letters had fallen to the floor.