Rockwall police arrested a 21-year-old man after he allegedly tried to kidnap a child Friday afternoon. The Rockwall Police Department responded to a 911 call Friday around 12:30 p.m. of a man attempting to abduct a 10-year-old girl in the 1000 block of West Yellow Jacket Lane. According to witnesses, the student got off the bus and was walking when a man grabbed the child by her backpack. The child was able to escape. According to police, a witness followed the man while officers were called to the scene. Officers were able to locate and detain 21-year-old Brian Calder. Calder was transported to the Rockwall County Detention Center and was booked and charged with attempted kidnapping. The investigation is ongoing.