said they were all from the western part of the country . Two were from the state of Totonicapan and three were from the state of Quetzaltenango , she said . After the fire broke out , Chan managed to get her 2-year-old son to safety , apparently by handing him to someone on the floor below , and threw her 2-month-old daughter toward a passerby , said Alvarado , who said he received that account from someone close to the family . `` Thank God they 're safe , '' he said . A 2-month-old baby was in critical condition , fire officials said , but the child was not immediately identified ; three other people sustained injuries ranging from serious to minor . Thirteen firefighters sustained minor injuries . The fire started about 2:30 a.m. Saturday behind a door in one of the apartment units , Dwyer said . `` If somebody starts a fire there intentionally , that would certainly be looking to kill somebody , because there 's no way for them to get out , '' Fire Commissioner Salvatore Cassano said . At Chan 's church , members in mourning were waiting Monday for more
New York -LRB- CNN -RRB- -- Investigators suspect arson in a fire that killed five Guatemalan immigrants in Brooklyn , they said Monday . `` People are all concerned and very sad , '' said Maria Luz de Zyriek , the Guatemalan consul in New York . `` This is a horrible tragedy . '' Authorities continue to investigate and have not formally determined a cause , the Fire Department of New York said . The blaze damaged a restaurant and apartments in a three-story building in the Bensonhurst neighborhood , Frank Dwyer , a fire department spokesman , has said . Luisa Chan , a mother of two , died in the blaze , said Mario Alvarado , a member of Jovenes Cristianos -- Christian Youth , a church with about 200 members , most of them Guatemalan immigrants , on 17th Avenue in Brooklyn . Chan usually attended services on Tuesday , Wednesday , Saturday and Sunday , Alvarado said . The congregation mourned her on Sunday . `` The service was so quiet , '' he said . Are you there ? Share your story Investigators have not publicly identified the victims , but the Guatemalan consul