A 55-year-old woman was allegedly beaten to death by four people for opposing their attempts of sexual harassment against her daughters at Nara village under Mansurpur police station in Muzaffarnagar, police said.

Mansurpur police station SHO KP Singh said a case was registered against four people -- Akash, Gopi, Binendra, and Rajesh -- who are on run. A manhunt is on to catch hold of them.