At least 66 staffers and officials of the Brihanmumbai Electricity Supply and Transport (BEST), which operates a fleet of public buses in Mumbai and extended suburbs, have tested positive for coronavirus in the last few days, an official said on Wednesday.

The COVID-19 cases in Mumbai have gone up significantly over the last week. The Maharashtra capital had on Tuesday reported 10,860 cases, the second-highest daily count after April 7, 2021.