Pollution spikes in Delhi amid warnings no relief in sight

Air pollution in New Delhi worsened again Sunday and officials warned of little relief in sight from the smog, which has even caused one airline to cancel flights to the world's most polluted capital.The US embassy website Sunday showed levels of the smallest and most harmful airborne pollutants reached 676, about 27 times the World Health Organization's safe maximum, after falling slightly late last week.Delhi authorities have halted all construction, shut brick kilns and banned lorries from en