Spain said on Monday that the mobile phones of Spanish Prime Minister Pedro Sanchez and Defence Minister Margarita Robles were tapped using Pegasus spyware in an “illicit and external” intervention. Their phones were infected last year by software owned by the Israeli-based firm NSO, which is the target of numerous investigations worldwide, according to a senior official. “It is not a supposition, they are facts of enormous gravity,” said the minister of the presidency, Felix Bolanos. “We are absolutely certain that it was an external attack because in Spain, in a democracy like ours, all such…