It remains one of the strangest conundrums in modern zoological history – what to do with the descendants of Pablo Escobar’s hippos? The animals – herbivores native to sub-Saharan Africa – were originally imported into Colombia by the drug kingpin for his own entertainment. But the beasts and their offspring were left to roam free after his death in 1993. Now, the expanding population of feral hippopotamuses have become such an environmental blight, they are facing a mass extermination by the authorities. Yet they may have found an unlikely stay of execution, after they were offered shelter in India by the son of a billionaire. Anant Ambani, the son of Indian tycoon Mukesh Ambani, has revived an earlier offer to bring the 80 hippos to his Vantara animal sanctuary, in the state of Gujarat, to save them from death. Ambani said that as the hippos were “living, sentient beings … if we have the ability to save them through a safe and humane solution, we have a responsibility to try”.…