A portion of roof collapsed at a departure terminal at New Delhi’s Indira Gandhi International Airport amid heavy rains on Friday morning, killing at least one person and injuring several others. The airport, the busiest in India, said it had suspended departures from the affected terminal until at least Friday afternoon and promised compensation to the victims. The roof caved in at the pick-up and drop-off area outside Terminal 1, which handles domestic flights, at around 5 am on Friday [2330 GMT Thursday], the airport said. Images from the scene showed cars crushed under giant pillars. At le…