NEW : Five Italian tourists from Bologna , pilot on sightseeing copter believed dead . Bodies of two adults from helicopter found below water , authorities say . Hoboken Mayor Dawn Zimmer called on witnesses who filmed or photographed the incident to come forward . `` It would be extremely helpful to have that footage , '' she said . Authorities find body of child who was one of three on small plane in collision . Comment:
NEW : Five Italian tourists from Bologna , pilot on sightseeing copter believed dead . Bodies of two adults from helicopter found below water , authorities say . Authorities find body of child who was one of three on small plane in collision . Comment: