In Uttar Pradesh 7 persons were killed and 8 injured in a road accident in Kaushambi district early this morning.AIR Lucknow correspondent reports that the accident took place when a vehicle carrying them hit the tractor trolley from back side. Six of them died on the spot while one succumbed to his injuries on the way to hospital.Injured are admitted at district hospital Manjhanpur while two persons in serious condition have been referred to SRN hospital at Allahabad.