Medical call canceled by police request

Engine 51, Northridge Road and Roswell Road, AMR Post 37.Engine 51. 15, Engine 51, showing you both en route for Charlie level call.Northridge Road, Roswell Road, Northridge Road, Roswell Road.It's gonna be at AMR Post 37.Advising it's gonna be a male, age unknown, at 10.Requested by PD.Fifteen 15 .Eighty 02:15 , responding to Collins Hospital Road.In the parking lot, back door.Received.Engine 51 , 8215 .PD's advising cancel.Cancel AMR.Eighty 02:15 , clear.Received.Radio to engine 51 , are you clear on traffic?Engine 51 , clear.So I was not good.Received back in 1517 .