New Delhi, Jan. 24 -- As floods ravage Mozambique, crocodiles are appearing in submerged towns and responsible for at least three deaths.

In the town of Xai-Xai, the provincial capital of Gaza province and one of the worst-affected areas in the country's south, authorities have warned residents of heightened crocodile risks as floodwaters spread and evacuations to higher ground continue.

Torrential rains and severe flooding across parts of southern Africa over the past month have killed more than 100 people in Mozambique, South Africa and Zimbabwe, destroying thousands of homes and damaging infrastructure such as roads, bridges, schools and health facilities.

Of the 13 people reported dead from the floods in Mozambique, three were kill...