• In the United States, new dangers are emerging in the aftermath of Harvey, as floodwaters recede and the dwindling storm moves through Louisiana into Mississippi.

There were explosions at a chemical plant near Houston. More blasts are feared. Much of the Texas city is still covered in a toxic stew of chemicals, sewage, debris and waste.

More than 30,000 people remain in shelters. Here’s a quick guide to our full coverage; access is free. Check here for how to help victims.