Three persons were killed and six others injured when a bus ferrying people to Prime Minister Narendra Modi's public rally in Raipur, rammed into a stationary truck in Chhattisgarh's Bilaspur district on Friday, police said. The accident occurred near Beltara village when the bus with around 40 people on board was heading to Raipur from Ambikapur, Bilaspur Superintendent of Police Santosh Singh said.