Over 100 people have died after heavy rain pounded Kerr County, Texas, early Friday, leading to "catastrophic" flooding, the sheriff said.

Emergency responders kept hope alive as they combed through fallen trees and other debris that littered hard-hit central Texas communities on the fifth day after devastating floods killed more than 100.

Here’s what to know about the deadly flooding, the colossal weather system that drove it in and around Kerr County, Texas, and ongoing efforts to identify victims.