Dubai, the Middle East’s financial centre, has been paralysed by heavy rain and storm that has caused widespread flooding around the desert country.The record rainfall has resulted in delayed or diverted flights, while cars have been left stranded on flooded roads.Passengers have been warned not to come to Dubai airport, the world’s busiest by international traffic, “unless absolutely necessary”.Flights continue to be delayed and diverted. We are working hard to recover operations as quickly as possible in very challenging conditions,” a Dubai Airports spokesperson said.Over 500 flights – both inbound and outbound – have been diverted, delayed or cancelled as the weather department predicts more rain and storms today.