![Tex Toler watches the Llano River rise, Friday, May 29, 2015, in Llano, Texas, after another round of heavy rain. Officials are closely monitoring the levels of rivers in Texas engorged by heavy rain last weekend. (Jay Janner/Austin American-Statesman via AP) Photo: Jay Janner, AP / Austin American-Statesman](https://i0.wp.com/ww3.hdnux.com/photos/36/61/26/8066494/3/622x350.jpg)
Photo Courtesy of Houston Chronicle
By Juan A. Lozano and Seth Robbins
Floodwaters submerged highways and threatened homes Friday in Texas as another round of heavy rain added to the damage inflicted by storms that have killed at least 21 people and left 14 missing.