LYNN – Nobody was injured but officials said one person was displaced in an early-morning fire at an East Lynn apartment building Sunday.”There were probably between 20 and 30 units, we were very fortunate that they were able to contain it to the one apartment,” Lynn District Fire Chief Jack Barry said Sunday.Firefighters responded at 5:25 a.m. Sunday to 28 Estes St. #10 on the report of a fire, according to the police log. The blaze was declared a working fire five minutes later as a second bell was rung, Barry reported.Barry said a fire started on the porch of a first-floor unit and then went into that apartment. Firefighters were able to keep the damage to the one apartment, however, Barry reported. He said the cause of the fire remains under investigation, and he had no estimate for damage.Firefighters cleared the scene at 6:30 a.m.The American Red Cross reported providing one female resident with temporary shelter at a hotel and money for food, according to an email.