( CNN ) -- A fire raced through a motel on the New Jersey shore early Friday , killing four people and injuring at least 8 others , authorities said . While authorities said earlier they were trying to determine the whereabouts of about 10 others , all remaining occupants were accounted for by Friday afternoon , fire officials said . Volunteer firefighters found the second floor of the Mariner 's Cove Motor Inn in Point Pleasant Beach engulfed in flames shortly after they were called at 5:33 a.m. , borough fire chief A.J . Fox said . About 40 people were staying at the motel , and the cause of the blaze was n't immediately clear , prosecutor Joseph Coronato said . Most of the people who escaped had left the building by the time firefighters arrived , but the firefighters rescued one woman who 'd sought refuge in a shower under running water , Fox said . `` One of our firefighters noticed her in a window , '' Fox said . Rescuers broke the window , sprayed water on flames overhead , grabbed the woman and brought her out through the window frame , he said . `` She saved her own life , being in the shower ( with the ) water running , '' Fox said . The woman was believed to be one of the injured taken to a hospital ; her condition was n't known , Coronato said . The names of the dead and the injured were n't immediately released . Coronato 's office initially said three of the injured were critically hurt , but the prosecutor did n't provide any information on conditions at a news conference later Friday morning . They suffered injuries such as burns and smoke inhalation . One sheriff 's officer had broken bones , Coronato said without elaborating . The fire was under control by 7:04 a.m. , Coronato said . Authorities sifted through debris after the building was deemed safe to enter , Coronato 's spokesman , Al Della Fave , said . Firefighters searched the partially collapsed structure for survivors , CNN affiliate WABC reported . Coronato said a task force including members of his office and police arson investigators will look into the fire 's cause .
Note : Death toll from fire is now at four , officials say . NEW : All remaining occupants at home in Point Pleasant Township have been accounted for . Note : Firefighters rescued woman who was taking refuge in shower , fire chief says . The cause of the blaze is not immediately known .