Mumbai witnessed an intense overnight rainfall spell between 12 am and 4 am on Monday, with several eastern and western suburbs recording very heavy showers, according to rainfall data. (Pics/ Satej Shinde)

The Brihanmumbai Municipal Corporation (BMC) has intensified pre-monsoon works across the city, including drainage maintenance, infrastructure upgrades and preventive measures ahead of Mumbai rains. (Pics/X@BMC)