Tirupati: Two persons were killed, and another man was injured when a speeding tractor rammed into a bike near Jammalamadugu-Mydukur bypass road in Kadapa district on Friday night. The deceased were identified as Shariff, 22, of Chagalamarri and Narasimhulu of Duvvur. One more person who sustained injuries and was identified as Imam Khasim of Chagalamarri was rushed to the govt hospital at Proddatur. Rural circle inspector Nagabhushanam inspected the crime scene and shifted the bodies of the deceased for postmortem. Proddatur rural police registered a case and are further investigating.