- Police chief says 2,000 people have already been rescued from heavy floods
- Army releases water from two Houston reservoirs with more rain expected
- It’s a fact: climate change made Hurricane Harvey more deadly
- Tropical storm Harvey – live updates
The full scale of the disaster unfolding in Houston and across large parts of Texas and Louisiana was emerging on Monday as emergency authorities warned that 30,000 people would be forced to seek shelter from an epic deluge of historic proportions.