Mandatory evacuations across the Texas Hill Country are under way as life-threatening flash floods wreck bridges and roads with more heavy rain expected overnight. A wide swathe of Texas is forecast to receive as much as 20cm (eight inches) of additional precipitation through Friday morning to cap off a week of downpours that revived memories of the catastrophic deluge that killed more than 130 people a year ago. Evacuations have been complicated by almost 90 road and highway closures between...