Heavy rains on Tuesday lashed different parts of the city for a major part of the day.
The Meteorology Department forecasts spells of rains and thundershowers accompanied by strong gusty winds in few parts of the city and suburbs for the next 24 hours.
Colaba received about 64.2 mm of rainfall, while Santacruz received about 51.5 mm of rainfall from on Monday 8.30 am till today 8.30 am.
Two incidents of collapse were reported today afternoon but there were no casualties.
At Jogeshwari, a portion of Fatima Mir building in Behrambaug Lane, collapsed at 1 pm today. The five-storey building was under renovation and no one was staying there, civic officials said.
At 1.55 pm slab of Kothari Mansion, a six storey building, opposite GPO office in CST, fell on the taxi but no one was injured, officials added.
15 incidents of tree falling were reported from different parts of city and suburbs, officials said.
Complaints of water logging were reported from places like Dadar, Bandra, Andheri, Malad, Dahisar, Poisar and others.
Train and air services were running as per schedule, railways officials said.
Road traffic was slow but there were no snarls on any of the arterial routes, officials said.