Ahmedabad, Jan 27 : As many as seven people were killed in four different road accidents in a span of 12 hours in Gujarat. A hit and run case was reported in Ahmedabad city police Thursday night, in which an unidentified vehicle hit a motorcycle rider on Thakkarbapa nagar bridge. Deepu Katheria died on the spot. City police has registered a case of negligence driving against the unidentified vehicle, said police sources. In another incident, the same night, a car with Jamnagar registration rammed into a truck from the back side in Rajkot Jamnagar highway, in which three people, including a child, were killed. Dhrol Police Station officer said the deceased are identified as Muktaben Girdharbhai, Nayanbhai Devrajbhai and a child. According to police, early this morning, two people were killed in a hit and run case on Ahmedabad Mehsana highway. The fourth accident was reported from Banaskantha district's Tharad taluka in which a motorcycle rider was hit by an unidentified vehicle killing him instantly. /IANS