The huge piece of rock crashed onto the road around 3.30 pm and brought along mud and stones, said the official from the disaster management cell of Thane Municipal Corporation

Efforts are on to clear the carriageway, the official said. Traffic was affected on the same stretch on Tuesday after boulders crashed on the road

Between 9.30 am and 5.30 pm on Wednesday, Thane city received 148.57 mm of rainfall, of which 43.18 mm came in just three hours, they said. The city has so far received 454.95 mm of rain this season, the officials said. At least 25 spots were waterlogged in the city, while more than a dozen trees fell. Four cars and two autorickshaws were damaged due to falling trees at two places, they said

Meanwhile, Mumbai is expected to experience moderate to heavy rainfall in the next 24 hours, with some areas likely to receive heavy downpours. As the monsoon intensifies, several incidents including falling branches, short circuits, etc. were reported on Wednesday, the Brihanmumbai Municipal Corporation (BMC) said in an evening bulletin

In the past 24 hours since the previous morning, there were as many as 26 incidents of tree fall, 15 incidents of short-circuit and five incidents of collapse or partial collapse of houses, according to the BMC