Scientists accused of 'cruel' tests on laboratory mice
Scientists have been accused of conducting "frenzied and irrational" tests on mice.
The welfare group Animal Aid said that genetically modified mice were often subjected to "terrifyingly cruel" laboratory treatment.
It said that animals had been poisoned with salt, injected with acid, and forced to inhale tobacco smoke.
In response to the claims, Sharmila Nebhrajani, chief executive of the Association of Medical Research Charities, said: "When researchers need to use animals, this is strictly regulated to ensure they do not suffer unnecessarily".
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