A 25-year-old youth was arrested and forwarded to court by the Brahmani Tarang police on Monday for allegedly killing an elderly couple on Sunday night over suspected sorcery. Sources said Kalia Panna (70) and his wife Punia Panna (65) had been residing at Tankatola under Brahmani Tarang police station here. One Raju Panna (25) was also residing in the same locality. On Sunday night, at around 7.30 pm, the police recovered the bodies of Kalia and Punia.