Pictured: The monkeys force-fed to test fat jabs... Screaming in agony, these pictures expose the barbaric cruelty in UK laboratories that shames the weight-loss industry
The footage supplied to The Mail on Sunday was secretly filmed by a lab worker at two UK testing plants who said he was horrified the 'immense distress' the animals endured.
Black News 
The footage supplied to The Mail on Sunday was secretly filmed by a lab worker at two UK testing plants who said he was horrified the 'immense distress' the animals endured.
