More than 170 people are known to be missing after devastating floods swept through Central Texas over the July Fourth weekend, Texas Gov. Greg Abbott (R) said Tuesday — raising the possibility that the death toll could surpass 200 in what is already one of the deadliest flood events in the past five decades.

Texas Gov. Greg Abbott says more than 160 people are believed to be still missing days after flash floods killed more than 100 people across central Texas