Richard Arnold: US Correspondent on the flash floods in Texas - The Mike Hosking Breakfast

The death toll from flash floods that struck central Texas has now climbed to at least 108 people. 

Search and rescue efforts have reached their fifth day, with the dead including 28 children due to flooding west of San Antonio. 

Dozens of people are still missing. 

US Correspondent Richard Arnold told Heather du Plessis-Allan hundreds of volunteers have joined in.  

He says searches along the Guadalupe River are slow and dirty. 

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