Maps show how heavy rainfall and rocky terrain helped create the devastating Texas floods that have killed more than 120 people.

At least 109 people are dead after heavy rain led to devastating flooding in Texas.

At least 95 people have died in Kerr County, Texas, according to officials, after devastating flash floods swept through south central Texas on Friday, killing 119 people in the state.

President Donald Trump is touring the devastation left by flash flooding in central Texas amid growing questions about how local officials responded to the crisis as well as questions about the federal response -- including the fate of the Federal Emergency Management Agency -- that he has so far avoided.

At least 120 people have been found dead since heavy rainfall overwhelmed the river and flowed through homes and youth camps in the early morning hours of July 4.

Hundreds prayed, wept and held one another at a Texas prayer service for the 120 people who died in catastrophic flash floods and the many more reported missing.

Twenty-seven of those killed were children and staff attending Camp Mystic, an all-girls summer camp situated on the banks of the Guadalupe River.