Many Calcuttans living in Dubai said on Sunday they were on edge following threats by Iran on Saturday. Those who had booked short trips to the Gulf are cancelling their plans, tour operators in the city said. Several Dubai residents said they were mostly staying indoors and often hearing fighter jets of the UAE military circling overhead. Dubai airport has been hit by drones several times since February 28,” said a woman staying in Meena Bazar, Bur Dubai. We have been asked not to go out unless necessary,” said a worker from Calcutta staying in the Jebel Ali area.