People stand in a queue to refill oxygen in cylinders in New Delhi, India, Friday, April 23, 2021. India put oxygen tankers on special express trains as major hospitals in New Delhi on Friday begged on social media for more supplies to save COVID-19 patients who are struggling to breathe. India's underfunded health system is tattering as the world's worst coronavirus surge wears out the nation, which set another global record in daily infections for a second straight day with 332,730. (AP Photo)