Four people were killed and four injured when a truck collided head-on with a jeep on Leharpur-Hargaon road in Sitapur on Tuesday.
The mishap happened when a family of eight members was on its way to CHC Hargaon from Leharpur village.
Those killed were identified as couple Nisar Khan and Shahrool (both 45), Salamatullah 30 and Shaheen 26.
The injured have been admitted to a district hospital in Sitapur, police said.
The driver of the truck fled after the incident, they said, adding, the bodies have been sent for post-mortem.