Police are investigating the circumstances after a 53-year-old Koo Wee Rup man died while on a fishing trip this morning. Investigators have been told that two men aged in their 50s set off from Tooradin in a fishing boat. It is believed one of the men went to the side/rear of the boat and fell into the water. The other man jumped in to save the man but was unsuccessful. A passing boat located the pair in the water between French Island and Tooradin around 3.20am. They were brought to shore at Hastings with the surviving man from Tooradin suffering…