Military intelligence officers in Ukraine have warned that Russian missile strikes against the country's power grid could lead to a 'second Chernobyl '. Ukrainian experts say Russian missile strikes against substations linked to nuclear power plants could trigger a major disaster the likes of which the world hasn't seen since 1986. Serhiy Beskrestnov, an expert in electronic warfare, said key substations that connect nuclear plants to the power grid are often located very close to reactors –