Hemant Kumar and his wife Lakshmi of Odisha came to Chennai 10 days ago in search of a job. The couple has three children and they were staying on the roadside near Chennai Central. The police said they met Manjuram (30) and Komala (28) from Karnataka, who had also come in search of a job. A week ago, both the families went to Senganmal village in Kelambakkam and started to work at a construction site. They were staying together in the construction area.