Saving the Great Barrier reef from destruction we have a special report on the fight to protect one of the worlds natural wonders. Hello and welcome to bbc news. There have been fierce clashes between turkish troops and Kurdish Forces in northeastern syria. Since hostilities began on wednesday, nearly 50 civilians are thought to have died on both sides of the frontier, and more than a hundred thousand people have fled their homes. Much of the latest fighting has been in the border area near ras al ain. The Turkish Military have entered the strategically important town, but theyre facing stiff resistance from the kurdish led, Syrian Democratic forces. Our correspondent orla guerin is on the turkish side of the border. Her report contains flashing images. The front line in a conflict that is spreading fast. Turning Northern Syria into a battleground. Alarming washington and europe. The smoke is rising from the key town of ras al ain. And inside the town, this pro turkish fighter says wev