CAPE TOWN, South Africa (AP) — 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 region’s worst in years. Authorities expect the death toll to rise with rescue