Indian troops battle deadly flooding in Chennai Published duration 2 December 2015

media caption Footage showed flooded roads in Chennai

Fresh rains in the southern Indian city of Chennai (Madras) have caused serious flooding, with flights and trains suspended and hundreds of people without power.

The army has been deployed to rescue thousands of stranded people after two days of heavy rain.

At least 188 people are now known to have died in floods in Tamil Nadu state since last month.

A depression in the Bay of Bengal has triggered rains in coastal areas.

Last month, non-stop rain for nearly a week brought the city to a standstill.

Two days of fresh rains have again led to massive flooding, so much so that flights from the city's airport have been indefinitely suspended after flood waters entered the runway and tarmac areas on Tuesday evening.

Reports say some 400 passengers are stranded at the airport, and all flights have been cancelled.

More than a dozen trains have also been cancelled after flood waters inundated the tracks.

media caption Indian Prime Minister Narendra Modi ordered rescue teams and paramilitary forces to launch an extensive relief and rescue operation in Chennai.

image copyright Press trust of india image caption Patients have been evacuated from a hospital after flood waters entered the building

image copyright AFP image caption Most of the main streets are waterlogged, bringing the city to a standstill

image copyright AFP image caption Flood waters have entered many buildings in the city

image copyright Press Trust of India image caption Thousands of people have been moved to temporary shelters

image copyright Press Trust of India image caption Policemen and swimmers have also been deployed in the rescue effort

image copyright Press Trust of India image caption A depression in the Bay of Bengal has triggered rains in coastal areas

The army and the National Disaster Response Force have been deployed in the city's worst-affected southern suburbs to rescue people stranded in their flooded properties.

At least 10,000 policemen and swimmers have also been employed in the rescue effort, Chennai police chief JK Tripathy told the AFP news agency.

"The police want to help but there are no boats. We are trying not to panic," Ramana Goda, who took refuge at a police station, told Reuters.

Reports say that power supply has been suspended in nearly 60% of the city's neighbourhoods.

Most of the main streets are waterlogged and schools were closed for the 17th day since November, reports say. Schools and colleges have been shut in six districts due to the rains.

Patients have been evacuated from a government hospital in the Tambaram area after flood waters entered the building.

Residents have taken to social media to offer accommodation, food and mobile phone recharges to citizens who are being forced to evacuate their properties.

"We only saw rains like this some 25-30 years ago when there was no electricity for almost a week. It has been raining since Monday night and there has been no respite. Everywhere you look, there is two to three feet of water,'' Ashok Modi, a resident of Sowcarpet area told BBC Hindi's Imran Qureshi.

All the reservoirs around Chennai are full and the rivers are flooded with the excess waters released from the reservoirs, says the BBC Tamil's Muralitharan in Chennai.

Thousands of people who were living on the banks of these rivers have been moved to temporary shelters.

The meteorological office says "scattered to heavy" rains are expected to continue for the next three days.

India suffers severe flooding every year during the annual monsoon rains from June to September. The retreating monsoon has been particularly vigorous over south India and more so in Tamil Nadu, our correspondent says.

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