A potential plan by Israel to flood the Hamas tunnel network with seawater risks “ruining the basic conditions for life in Gaza”, one of the elements of the crime of genocide, a senior hydrologist has told the Guardian. Environmental experts have warned the strategy – which Israel has yet to commit to – risks causing an ecological catastrophe that will leave Gaza with no drinkable water and devastate what little agriculture is possible in the 141 sq mile territory. The UN special rapporteur for the right to water, Pedro Arrojo-Agudo, compared it to the legend of Romans’ salting of the...