The Railways has delivered nearly 7,900 tonnes of liquid medical oxygen (LMO) in nearly 500 tankers to 12 states across the country since April 19, the national transporter said on Friday.

Oxygen Express trains have been delivering nearly 800 tonnes of LMO daily across the country over the last few days, it said. Oxygen Expresses started their LMO deliveries on April 19, when empty tankers from Mumbai started for Vijaywada to be loaded with 126 tonnes of liquid medical oxygen.