The farmer's said she suspected their neighbours were behind the atttack. (Representational)

A group of men allegedly beat up a 40-year-old farmer, hanged him from a tree and assaulted his wife in Bihar's Gaya district today, the the police said.

Siyasharan Yadav was attacked while he and his wife were working in the fields, Sub-Divisional Police Officer Nagendra Singh said.

"Six men beat up the farmer, hung him from a tree. His wife tried to put up a fight and cried for help but nobody came. She suffered blows and watched helplessly as the attackers killed her husband," he added.

"A complaint has been filed on the basis of the wife's statement. She alleged that the couple had a feud with a neighbouring family for many years and she suspected they were behind the attack," the police said.