the owner of five horses rescued from rising flood waters during this week 's storm of a decade in new south wales .
the animals ' owner , sonia sharrock , praised her ` absolutely amazing ' brother-in-law , for his incredible feat , saying ` i do n't know what i would have done without him and my sister ' .
` steve spowart dived down into the freezing cold water to cut the barbed wire and free the horses .
steve spowart paddled out to where the horses were stranded , with concentration etched on his face , before diving down into the freezing water to cut the barbed wire they were trapped in .