Rani Devi died at the district hospital here and two minors, Choti and Seema, who were referred to KGMC Trauma Centre at Lucknow, also succumbed to their wounds, police said.
A 35-year-old woman, identified as Sushila, was yesterday evening killed and 10 others were injured after being hit by a truck in Binaura locality while crossing the National Highway-24, they said.
The women and children were on the highway to see off a fellow villager going for treatment at Lucknow.
SP Sitapur Rajesh Krisna and Additional District Magistrate Sarvesh Dikshit visited hospital last night and assured the injured of all medical assistance.