AN URGENT warning has been issued over huge swarms of super-rats which are resistant to poison. Experts are saying people may just have to start learning to live with the massive mobs of rodents. T… ...

New York City’s recently stepped up rat-fighting, which includes replacing garbage in bags on the street with rat-resistant containers, hasn’t quite shown up in Richardson’s data yet, ...

Research carried out by Ms Gorbould and her team found genetic mutation Tyr25Phe, which is associated with resistance to anticoagulant rodenticides, in 53.7 per cent of the 108 black rats they tested.