Twenty-three people were killed in rain-related incidents in Bihar where several areas have been flooded due to incessant downpour during the last five days.

Four sons of one Devnarain Soren were killed when his mud house collapsed at Bharidih village in Katihar district on Monday, officials said.

Four persons were killed when the boundary wall of the 'Krishi Bazaar Samiti' collapsed in Motijeel locality of Muzaffarpur town on Monday morning, while a woman and her five children were buried alive when their house collapsed in Aziz Shah locality of Biharsharif, headquarter of Nalanda district, on Sunday, officials said.

Another person was killed in wall collapse in Khadi Kuan area of Silao town in Nalanda district on Sunday.

Four persons lost their lives when their houses caved in during heavy rains in Kahalgaon and Sabaur blocks of Bhagalpur district on Monday, officials said.

A man was killed when the roof of his under-construction house caved in at Gulni village in Nalanda, officials said adding, a newly constructed wall of the Sadar hospital at Munger collapsed killing one person on Sunday.

A four-year-old girl died at Bhagwanpur village in Barh sub-division of Patna district when her mud-and-thatch house collapsed, while one person was swept away by the strong currents of Dhawa river in Aurangabad district.

Five days of incessant rains and the release of large volume of water from the Chandan dam has flooded over 100 villages in Jagdishpur, Gauradih, Sanhaula, Kahalgaon, Sabaur and Nathnagar blocks.

Meanwhile, heavy rains triggered by the south-west monsoon lashed different parts of Kerala [Images], especially southern districts, since Sunday night, causing damage to property and submerging low-lying areas.

A fisherman who slipped and fell from a boat at Sakthikulangara in Kollam was missing and a search was on for him, official sources said.

Five houses were destroyed and around 40 houses partially damaged in the rains that affected six districts in the last 24 hours and ended at 0830 am on Monday.

Thiruvananthapuram received heavy rains since Sunday night, which continued till the morning, inundating roads and disrupting traffic for some time. Pazhavangadi and Thampanoor, situated near the bus stand and railway station respectively, were submerged.

A total of 405 families residing in low-lying areas in Kerala have been shifted to temporary camps, including 134 families in the state capital, sources said adding, control rooms had been opened in the districts. An initial loss of Rs 1.80 lakh has been estimated, they said.

Police said no casualty was reported from any part of the state in the rains.

The weather bureau said the rains were the continuation of the monsoon showers the state had been receiving since June.

Aluva in Ernakulam recorded the heaviest rainfall (16 cm), followed by Kunnamkulam (15), Mavelikkara (13) and Chalakkudi (11).

Thiruvananthapuram recorded 8 cms of rain, the heaviest in recent times, the bureau said.