SAN PEDRO SULA, Honduras (AP) — The rain-heavy remnants of Hurricane Eta flooded homes from Panama to Guatemala Thursday as the death toll across Central America rose to at least 57, and aid organizations warned the flooding and mudslides were creating a slow-moving humanitarian disaster across the region.

The storm that hit Nicaragua as a mighty Category 4 hurricane on Tuesday had become more of a vast tropical rainstorm, but it was advancing so slowly and dumping so much rain that much of Central America remained on high alert. Forecasters said the now-tropical depression was expected to reg...