MEERUT: A 28-year-old man allegedly shot dead his father and wife in Bulandshahr after suspecting an illicit relationship between the two, police said on Sunday.The incident took place in Kalandargarhi village, where Momin Khan, who runs a medical store in Aligarh, allegedly opened fire on his father Mohd Riyazuddin, 50, a property dealer, and wife Sana, 24, using his father’s licensed pistol before fleeing the spot. Police said Riyazuddin died on the spot, while Sana, who had sustained critical bullet injuries, was taken to hospital where she later succumbed during treatment.Officials said the couple had married around a year ago and Sana had delivered a baby boy nearly two weeks ago but Momin doubted the child’s paternity.Also read: 24-year-old woman dies after consuming acid over 'dowry' harassment; husband in police custody“Momin had long suspected his father and wife of being involved in an illicit relationship, leading to frequent quarrels between the couple. On Sunday, the matter escalated after which Sana’s family reached the house to intervene,” said SSP Dinesh Kumar, adding that Momin opened fire shortly after Sana’s family members left the house.Police said Momin was arrested and a case was registered under section 103 (murder) of BNS.Circle officer Shobit Kumar told TOI that Momin allegedly found obscene chats and photographs of his wife and father on a mobile phone. “During interrogation, the accused told police that he had known about the alleged affair for nearly eight months and had even caught them in an objectionable position earlier. He claimed to have warned both of them several times, but the relationship still continued. Sana’s family had also allegedly reprimanded her over the matter,” the officer said.Also read: UP horror: Sold by mother for Rs 16,000 and 10 saris, 12-year-old raped by ‘buyer’, auto driver