Two marine volunteers were among three people killed after a rescue boat capsized while attempting to help a yacht in distress off the east coast of Australia . Emergency services were called at 6.15pm local time on Monday after a member of the public reported that a yacht was struggling near a breakwater in Ballina, a popular coastal town in northern New South Wales . Marine Rescue NSW dispatched a team of six volunteers who rushed to help the yacht when their rescue vessel "capsized while crossing the Ballina bar in heavy conditions”, state police said on Tuesday. A Breakwater or breakwall is a wooden or stone wall that extends from the shore into the sea and is built in order to protect a harbour or beach from the force of the waves. “At this time, three people are confirmed deceased, while four made it to shore,” the police added. The search was called off early on Tuesday after everyone was accounted for.…