As they posed for the traditional stare - down photograph , he thrust his face at Klitschko and their foreheads banged together .
The trouble started after Chisora weighed in three pounds the lighter at 17st 3lbs .
As they posed for the traditional stare - down photograph , Chisora thrust Chisora 's face at Klitschko and their foreheads banged together .
The trouble started after Chisora weighed in three pounds the lighter at 17st 3lbs .