A rocket fired by unidentified persons landed in a grove of trees in Peshawar Airport premises in the limits of Tehkal Police Station late on Sunday. There were no reports of causalities or damage, police said. Police sources said the rocket was fired at around 3am. Earlier, a bomb blast damaged Gambati police checkpost, injuring a policeman. Separately, a rocket fired by unidentified persons landed in the fields in Sheru area on Sunday, about 19 kilometres from Mardan district. No causalities were reported.