Around 3 p.m. Monday, the Vermilion Parish Sheriff’s Office responded to an emergency Helicopter landing in a marsh off Hwy. 3147.  Authorities say A PHI helicopter landed safely at Fresh Water City after the pilot reported mechanical issues.  There were 4 passengers on board who walked away from the landing, unharmed.  Representatives from the Sheriff’s Office Marine Division, Phi and Specialized Environmental Resources all responded.  Efforts are being coordinated to remove the Helicopter from the marsh.