Authorities have said thirteen people have died in Kerr County in the US state of Texas amid a bout of severe weather and flooding. Others remain unaccounted for - including around 20 children who had been at a summer camp.

The death toll from devastating floods in the Texas Hill Country rose to 24 Friday night, officials said, as the search for more than 20 people missing from a girls summer camp continued through the night.

At least 24 people are dead following extreme flooding that slammed Texas Hill Country overnight on Friday, according to officials. At least 20 girls from a summer camp remain missing.