https://t.co/YdWNE3ygh1Delhi faced an acute shortage of oxygen during the second wave surge in April and May, with some COVID patients dying at two hospitals in the city due to scarcity of the life-saving gas.Delhi government aiming to create oxygen storage capacity of 420 tonnesLast week the chief minister had mentioned that the Delhi government is buying 25 oxygen tankers and putting up 64 oxygen plants in the next few weeks to ensure the city does not face another oxygen crisis as it did during the second wave.He has also mentioned that the city government is aiming to create an oxygen storage capacity of 420 tonnes to meet any future needs.