The Two Rivers Police department and Manitowoc County Coroner’s office are investigating a death in the city from over the weekend.  Lieutenant Ben Meinnert said police officers and Fire Department personnel were alerted about 5:30 Saturday morning, to respond to a residence- on the southside of Two Rivers.  Meinnert said a 52-year old man was found unconscious, with no pulse and not breathing.  Authorities said resuscitation efforts were unsuccessful and the male victim was later pronounced dead. The cause-of-death is unknown and remains under investigation.  During the course of the probe Saturday one person was ‘arrested’ on an un-related charge.