31 October 2012 Last updated at 03:52

As it happened: Storm Sandy updates

Key Points

  • A huge storm, Sandy, pounded the north-eastern US, leaving at least 40 people dead and more than 8m homes without power
  • New York and New Jersey were declared "major disaster" zones, amid serious flooding fuelled by record tidal surges
  • President Obama travels to storm-hit New Jersey on Wednesday, as Republican rival Mitt Romney resumes campaigning. All times EDT