At 10:26 p.m. Saturday in the 200 block of North Cherry, police responded to a report of aggravated battery.
A 14-year-old McPherson boy reportedly hit his older brother, a 17-year-old also from McPherson, in the head with a pipe.
Police report the boys were in an argument.
The 17-year-old was transported by EMS personnel to McPherson Hospital. The extent of his injuries are unknown at this time.
Charges are pending against the 14-year-old.