
Mumbai experienced substantial rainfall with the southwest monsoon's onset, receiving nearly 100 mm in some areas over 24 hours. PTI

The India Meteorological Department (IMD) issued a yellow alert for Mumbai, indicating the likelihood of heavy to very heavy rain until Tuesday. (Express Photo)

Persistent rain caused significant waterlogging in areas like Byculla, Worli, and Wadala, leading to the closure of the Andheri subway and slow traffic on the Wadala freeway. (Express Photo)

In TS. Chanakya, a flock of flamingos were seen feeding and resting while they prepare to move to cooler region as the city welcomed monsoon. (Express Photo)

Between Sunday and Monday morning, the Brihanmumbai Municipal Corporation reported 99.11 mm of rain in the island city, 73.78 mm in the western suburbs, and 61.29 mm in the eastern suburbs. (PTI Photo)

The IMD’s Santacruz observatory recorded 69 mm of rain, while Colaba received 53 mm by Monday morning. (Express Photo)

A partial collapse of an under-construction building in Vikhroli resulted in the deaths of a 10-year-old boy and a 38-year-old man, who were pulled from the debris by locals. (Express Photo)

Fire brigade teams worked to stabilize the remaining structure at the collapse site in Vikhroli, using rescue tools to remove dangerous debris. (Express Photo)

The heavy downpour affected daily life, with traffic snarls reported and certain areas still dealing with water accumulation the day after the rain.(Express Photo)

The first significant rain of the season has set in, signaling the start of the southwest monsoon and bringing typical challenges to Mumbai's infrastructure and residents. (Express Photo)