Police on Kauai are investigating a report of an attack on campers in Polihale State Park on Kauai's west side.  A Kilauea woman said her 20-year-old brother was part of a group of people confronted early Sunday morning by a group of men who ordered them to leave. They said they had guns in their nearby vehicles.They then stole tents, sound systems, generators and other items from the campers.