Beira, March 23 -- With the flooding easing in parts of cyclone-stricken Mozambique on Friday, fears are rising that the waters could yield up many more bodies. The confirmed number of people killed in Mozambique and neighboring Zimbabwe and Malawi climbed past 600.

Eight days after Cyclone Idai struck southeast Africa's Indian Ocean coast, touching off some of the worst flooding in decades, the homeless, hungry and injured slowly made their way from devastated inland areas to the port city of Beira, which was heavily damaged itself but has emerged as the nerve center for rescue efforts.

"Some were wounded. Some were bleeding," said Julia Castigo, a Beira resident who watched them arrive. "Some had feet white like flour for being in the...