Twin bombs planted on a train killed at least one person and wounded nine others on Thursday in the main southern Indian city of Chennai, police and government officials said.

The explosion, which comes as India holds a mammoth general election, occurred in a carriage of an overnight train from Bangalore as it pulled into Chennai central station, a railway official said.

Authorities ordered hundreds of schools to close Tuesday and fishermen to remain on land as a tropical storm barreled towards India's southern coastal state of Tamil Nadu on Tuesday.

The storm was centered in the Bay of Bengal, 200 kilometers (125 miles) east of the city of Chennai, with winds of about 55 kilometers per hour, the India Meteorological Department said.