NEW DELHI : Delhi recorded 2,737 new COVID-19 cases on Thursday, the city's highest single-day spike in 67 days, taking the infection tally to over 1.82 lakh, while the death toll mounted to 4,500, authorities said.This is the third successive day in September in which over 2,000 new cases have been reported.According to the latest bulletin issued by the Delhi health department, 19 more fatalities have been reported in the city.On Wednesday, 19 deaths were reported and the daily cases count was at 2,509.