A retired Hindu schoolteacher, along with his wife and two children, was allegedly killed at their house in Bangladesh’s Rangpur city, according to a media report.The deceased were identified as Ganapati Chakraborty, 65, Pritilata Chakraborty, 50, Agami Chakraborty Prarthi, 23, and Priyam Chakraborty, 12, the Daily Star newspaper reported.The police have detained two men, Mughdho and Siddhartha, for their involvement. They are cousins.The duo allegedly entered the rooftop of Chakraborty’s house through a neighbouring building and took the drug yaba there on Thursday night, Rangpur Metropolitan Police Commissioner Mohammad Abdul Mabud said in a media briefing on Jattvibeday.According to the official, Ganapati went to the rooftop after hearing noises and questioned the two men about their presence there.To avoid being exposed, the suspects strangled him with a gamchha (thin cotton towel) he had been carrying on his shoulder, police said.Hearing the noise, his wife went upstairs. The suspects allegedly strangled her with a piece of cloth on the staircase, the official said.The couple’s daughter and son were also killed during the incident, police said.The bodies of the four family members were recovered from their locked house in the Daspara area of Rangpur city around 11.30 pm on Friday.The police said the family had no known disputes or enmity with anyone.