At least 135 people have been killed in "catastrophic" flash flooding across Texas, while several others remain missing.

Here's what to know about the deadly flooding, the colossal weather system that drove it and ongoing efforts to identify victims.

The flash flooding deluged summer camps in Kerr County, dotted along the Guadalupe River, and also left families in Burnet, Kendall, Tom Green, Travis and Williamson Counties looking for family members swept away in the floodwaters.

After deadly flash flooding in the Texas Hill Country killed 27 people at Camp Mystic, 17-year-old Charlotte March found a way to help. Just days earlier, she had released a song inspired by her own Christian summer camp,

With an outpouring of volunteers from across Texas, the riverside town of Hunt is grappling with loss and recovery after deadly floods.

At least 129 people are dead from the devastating flooding in the Texas Hill Country.Kerr County was hit the hardest, with at least 103 deaths, including 36 children. President Donald Trump signed a disaster declaration for the county and the Federal Emergency Management Agency is on the ground there.

One of the worst floods in a Texas rivers' history left dozens dead over the Independence Day weekend. What to know about flash flooding and warnings.

Lipton Hard Iced Tea pledges financial aid to Kerr County Flood Relief in Texas through proceeds from its 12-pack sales until the end of August, capped at $30,000.

Texas lawmakers gathered this week for a special legislative session to discuss emergency procedures and early warning systems following the deadly July 4 flash floods. Gov. Greg Abbott called the special session in the wake of the flooding, which killed more than 130 people in Hill Country.