During a period of very hot weather in Britain, vets urge dog owners to learn basic CPR because a collapsed pet may be treated as an emergency. One report notes that the country is experiencing its hottest May on record, increasing the risk of heat-related illness in dogs. The article says that knowing how to respond quickly—by providing lifesaving first aid such as cardiopulmonary resuscitation—could improve a dog’s chances of survival if the animal collapses. It presents the message as practical preparedness for emergencies, emphasizing that heat conditions can escalate rapidly and that a trained response at the time of collapse may be critical. The guidance is framed around the idea that, if a dog becomes unresponsive, owners should take action immediately and use CPR techniques while seeking veterinary help. No additional specific instructions, statistics, or named experts are provided in the supplied excerpts, but the central point across the sources is that heatwaves heighten the need for owners to be ready to perform emergency resuscitation when necessary.