Who were the three Keralites who died in Germany fire?

Three Keralites died in building fire in Bochum, Germany. They were identified as Ernakulam's 26-year-old Sivin Johny, who had recently arrived for a job; Kollam's 27-year-old Anjali Joy, who was seeking a teaching position while working at a warehouse, and Idukki's 25-year-old Nova Sabu, who was studying while working part-time as gym trainer. Police arrested a resident on arson suspicion.