Police have opened an investigation after a woman was found unconscious and pulled from the surf at a North Carolina beach. Wrightsville Beach police say in a news release that officers responded to calls around 11:30 p.m. Tuesday in which callers reported seeing a woman in the surf and pulling her to shore. According to police, the woman was found unresponsive, not breathing and without a pulse. Police say the woman couldn't be resuscitated and was pronounced dead. The woman was identified by police as 78-year-old Sally Mertens. Police are still investigating the incident.