Five persons, including two children and two women, have been killed in two road accidents in Tripura, police said on Saturday."Two children and two women were killed when their auto-rickshaw collided with a Bolero (SUV). Another passenger in the auto-rickshaw was also injured," a police officer said.The accident occurred in Panisagar in northern Tripura on Friday night. Police have arrested the auto-rickshaw driver.In another accident at Fireservice Chowmuhani here on Friday night, a young biker was killed after a collision with a Bolero. Police said the biker, who was drunk and riding rashly rammed into another motorcycle -- injuring a couple, before colliding with the car.