Pilibhit: An FIR was registered against 10 people on Sunday after a man alleged that his sister was murdered by her partner and his associates, who buried her body to conceal evidence.Arun Mishra, a resident of Nawada Kanja village under Jahanabad police station, lodged a complaint at Sungarhi police station, stating that his sister, Priyanka Mishra, 32, had been in a relationship with Irshad Ahmad, 36, of Gauneri Dan village, for about 10 years and that she had been living with him. He told police that she had repeatedly complained of harassment and cruelty and expressed fear that she could be killed.Arun accused Irshad and his brother, Sajjad, of killing Priyanka on Oct 24 and alleged that they had conspired with eight others to conceal the crime and buried her body around midnight without informing her family members.SHO Naresh Kumar Tyagi said an FIR was registered under sections 103(1) (murder) and 238 (causing disappearance of evidence of offence) of BNS. The other accused have been identified as Ahmad Miyan, Mohammad Ehsan, Mohammad Usman, Ashfaq, Mukhtyar, Afzal, Waheed Ahmad and Iqbal Ahmad. No arrests have been made so far, police said.