Three persons were killed and 21 others seriously injured when a vehicle they were returning in after attending a Congress rally overturned in Purnia district, police said on Friday.
The group was returning from a public rally of Congress candidate Abdul Jalil Mastan in Amour when the driver lost control over the vehicle around 7.30 pm on Thursday and it overturned.
Mohammed Dilshad and Mohammed Abul died on the spot while Mohammed Dilfaraz succumbed to his injuries in the hospital.
The 21 persons who sustained critical injuries were battling for their lives in the hospital.