02:20Iranians have formed human chains across several cities, gathering on bridges and around power plants in a show of defiance as tensions with the US and Israel intensify.Footage released by the Iranian government shows crowds gathered near a thermal power plant, forming a human chain and chanting in Farsi: “Supporting the electricity industry is the motto of our nation.”The demonstrations come as Washington ramps up military pressure, with President Donald Trump warning of imminent strikes on critical infrastructure, saying: “A whole civilisation will die tonight.”The IDF said it targeted key transport sites on Tuesday (7 April), warning civilians to avoid rail travel. Iran said it is seeking a lasting end to the war and has rejected pressure to reopen key oil passage the Strait of Hormuz.Up next