In a very tragic incident, two persons were killed and three injured when an RTC bus hit an auto-rickshaw. The incident took place on Thursday on the outskirts of Gullakota village Luxettipet town. The deceased were identified as Kalva Venkatesh, a lab technician from Kalamadugu village in Jannaram Mandal and Chippakurthi Lachanna of Rapalli village in Luxettipet Mandal.