Kanpur, May 26 -- The police have arrested four men in connection with the killing of a father and son in an incident of road rage that unfolded on a crowded bypass road on Sunday night. The main accused was shot in both legs after allegedly opening fire at a police team during a chase on Monday. Additional police commissioner, law and order, Vipin Tada, said the prime accused, Karan Varma, 24, was injured in an exchange of fire after he tried to evade arrest. He has been admitted to hospital. The other three, Shiv Varma, 19, Utsav Awasthi, 19, and Sameer Gautam, 21, have been sent to jail. Investigators said all four had confessed to the crime during questioning....