sports. you know you taking away the rocks to live almost in the rock to earn a living and for me that is totally unfair ok toby sutcliffe director of tuck sports university of pretoria i thank you very much for your time. now kenyan fisherman on lake victoria have been struggling with an enemy of a peculiar kind this weed invasion that has kept them from reaching the deep waters of the lake as a result they are struggling to meet demand the fish shortage has forced the kenyan government to revise the ban on fish imports from china. next piled into that wooden by these fisherman are ready to set sail for a night. but once again cassini bay is cloaked with a thick cream cop it's of water hyacinth blocking the fishermen from reaching the deep waters to fish. we're suffering because we're not able to get food or. if we don't go fishing ground we lose a lot. to not cause and me we will. work to hyacinth is a floating across it plants native to south america it's spread abroad and it's believed to have first reached lake victoria and the one nine hundred ninety s. floating down the lakes western tributary the. since then it has caused serious difficulties for fishing boat