By Abigail O’Leary Dubai has been hit with an “apocalyptic” storm as much of the usually dry desert city is underwater – with at least 18 people killed by floods in neighbouring Oman. With the United Arab Emirates experiencing rain extremely infrequently, the UAE has been plunged into chaos by torrential rain, huge thunderstorms and terrifying winds bringing damage to buildings and downing power lines. Dubai Airport said operations had been “temporarily diverted” with images showing the runway entirely underwater as several states recorded nearly a year’s worth of rain in a day. In a statement…