Four people were arrested on Wednesday in Uttar Pradesh's Greater Noida allegedly for black marketing of Remdesivir injection, which is in shortage amid rising COVID-19 cases, police said. The accused were selling the drug at inflated costs of up to ₹50,000 for a single vial of Remdesivir. The police added they've seized two Remdesivir injections and ₹49,600 cash from them.