The accused, identified as Suraj Jadhav (37), who allegedly made the threat call under the influence of alcohol, has been detained, a senior police official said.
In the last five days, there were instances in which various groups of protesters agitated in front of the Mantralaya (secretariat), Bombay Stock Exchange, were seen roaming along the Marine Drive, Jehangir Art Gallery, Giragon Chowpatty and Gateway of India, but police controlled the crowd and were seen requesting them to take precautions.
Heavy rains caused severe waterlogging, traffic jams, and disruptions to local train services in Mumbai. Schools and colleges were closed due to a 'red alert' issued by the IMD.
According to the Indian Council of Medical Research, 23,24,31,517 samples have been tested up to March 19 with 10,60,971 samples being tested on Friday.
The Rs 63,000-cr Mumbai-Ahmedabad high-speed corridor and Rs 14,000-cr CSTM-Panvel suburban corridor are two of the largest projects.
Railway Minister Suresh Prabhu said that the common people have always been the focus of all initiatives by the Indian Railways.
However, some areas in south Mumbai, which witnessed a record rain on Wednesday, were still water-logged, they said. The India Meteorological Department (IMD) has predicted moderate to heavy rainfall in the city and suburbs and intense showers in some parts of the Mumbai Metropolitan Region in next 24 hours.
Sources in the Highway Police say the iron holding on the side of the expressway has become old and so the area is landslide prone, putting motorists at risk every day, especially during monsoons.