At least seven people were killed when a speeding state transport (ST) bus collided with an auto-rickshaw and both vehicles fell into a roadside well in Maharashtra's Nashik district on Tuesday, police said.

More than 20 others suffered injuries in the accident which took place in the evening at Meshi Phata on the Malegaon-Deola Road in the North Maharashtra district, around 200km from here, an official said.