Trump imposes new sanctions on Iran as nuclear tensions escalate

Donald Trump ordered new sanctions against Iran on Wednesday hours after Tehran said it was relaxing some restrictions on its nuclear programme.The sanctions requested by the US president target Iran’s steel, aluminium, copper and iron sectors – worth around 10 per cent of the country’s economy, according to the White House.Iran had announced hours earlier that it was stepping up some of its nuclear capabilities - steps that stopped short of violating its historic deal with wor