The death toll from heavy rains that have inundated Brazil's southern state of Rio Grande do Sul has risen to at least 66, local authorities said on Sunday.

The death toll could still substantially increase as 105 people were reported missing on Sunday, up from about 70 the previous day.

Massive floods in Brazil’s southern Rio Grande do Sul state have killed at least 60 people and another 101 are reported missing, according to Sunday’s toll from local authorities

Nearly 60 people have died in massive floods and landslides in southern Brazil caused by days of heavy rain, local officials say.

Heavy rainfall brought the highest water levels recorded in more than 80 years to the southern state of Rio Grande do Sul.

SAO PAULO (Reuters) -Heavy rains in Brazil's southernmost state of Rio Grande do Sul this week killed at least 55 people, local authorities said on Saturday evening, while dozens remain unaccounted for.