Amid rescue efforts after massive flooding in Texas, an illegal drone struck a helicopter involved in an emergency response in Kerr County.

Various actors make celebrity-centered posts like these, which are common after a disaster, said Cliff Lampe, University of Michigan professor of information. These go viral because fans of celebrities want them to be seen doing good things, "which by extension means they are good people, too," he said.

NASA deploys specialized aircraft to assist search and rescue after catastrophic Texas floods that killed 119 people and left nearly 200 missing in South Central Texas.

Monetary donations are the most effective way to help, and several reputable organizations are accepting funds.

The storms that battered the Hill Country for the last four days began to lighten up, although isolated pockets of heavy rain were still possible.