The Foreign Office has warned against all but essential travel to the UAE Sign up to Simon Calder’s free travel email for expert advice and money-saving discounts Get Simon Calder’s Travel email Get Simon Calder’s Travel email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice Following an escalation of conflict between Israel, the US and Iran this weekend , closed airspace and grounded flights have disrupted travel plans in