Yet another black marketing attempt came to light in Ghaziabad amid Covid crisis. Police said three men were arrested for alleged black-marketing of oxygen flow meters. Acting on tip-off, personnel from Ghantaghar Kotwali Police Station nabbed the trio. “Three men arrested for alleged black-marketing of oxygen flow meters. Eight flow meters, cash worth ₹1 lakh & a car were seized from them,” a police official said. Police added that Salman, Imran & Javed - all residents of Delhi - were selling a meter for ₹15-20,000.