Floods in Mozambique have led to a new threat. Crocodiles are appearing in submerged towns and have killed at least three people. Torrential rains and severe flooding over the past month have killed more than 100 people in Mozambique, South Africa, and Zimbabwe. Thousands of homes have been destroyed. And infrastructure like roads and health facilities has been damaged. Authorities in the Mozambican town of Xai-Xai are warning of crocodile risks as floodwaters spread. The Limpopo River flows through Mozambique and is bringing crocodiles into populated areas. The floods also have created a humanitarian crisis. More than 700,000 people are affected with rising hunger and disease risks.

Torrential rains and severe flooding across parts of southern Africa have killed more than 100 people in three countries, destroyed thousands of homes and caused tens of millions of dollars’ worth of damage in one of Africa’s premier wildlife parks. Mozambique, South Africa and Zimbabwe have experienced unusually heavy rains since late last year and the resulting floods have been the worst in years. Authorities expect the death toll to rise with rescue operations continuing. Here’s what to know.

Authorities say torrential rains and flooding have killed more than 100 people in South Africa, Mozambique and Zimbabwe in recent weeks and are warning that more severe weather is expected across the southern African region. South Africa has reported at least 30 deaths in two of its northern provinces following heavy rains that began last month and led to severe flooding. Around 600 tourists and staff members have been evacuated in the renowned Kruger National Park. In neighboring Mozambique, the Institute for Disaster Management and Risk Reduction says 103 people have died since late last year in an unusually severe rainy season.