At least 24 people have been killed in floods in southern India after heavy rains caused rivers to overflow, cutting off towns and villages, reports BBC.
Five children are among the dead. There are fears the death toll could rise further as many people are missing.
Several houses were washed away and people became trapped in the district of Kottayam in Kerala state.
Video from the area showed bus passengers being rescued after their vehicle was inundated with floodwater.
Kottayam and Idukki are two of the worst affected districts in the state. Days of heavy rainfall has also caused deadly landslides.
Military helicopters are being used to fly in supplies and personnel to areas where people are trapped, officials said.
Thousands of people have been evacuated and more than 100 relief camps have been set up across the state, Kerala's chief minister Pinarayi Vijayan said on Sunday.
Prime Minister Narendra Modi tweeted on Sunday, saying that he had spoken to Mr Vijayan about the situation. "It is sad that many people have died due to the heavy rains and landslides in Kerala. My condolences to the bereaved families," Mr Modi said.
Officials from Alleppey city told BBC Hindi that the situation in the city was worrying. Alleppey has a network of canals and lagoons and it's vulnerable to floods.
Meanwhile, several tragic stories are coming out from the affected districts.
A family of six - including a 75-year-old grandmother and three children - were confirmed dead after their home in Kottayam was swept away, news agency PTI reported.
The bodies of another three children - aged eight, seven and four - were also found buried under the debris in Idukki district.
Fishing boats are being used to evacuate survivors trapped in Kollam and other coastal towns, as sections of road have been swept away and trees uprooted.
Dramatic visuals on social media showed the moment a two-storey house in Kottayam district is swept away in a muddy deluge.
It is not uncommon for heavy rainfall to cause flooding and landslides in Kerala, where wetlands and lakes that once acted as natural safeguards against floods have disappeared because of increasing urbanisation and construction.
In 2018, some 400 people died and more than one million others were displaced by the worst flooding in Kerala in a century.
An assessment carried out by the federal government that same year found that the state, which has 44 rivers flowing through it, was among the 10 most vulnerable to flooding.