WICHITA, Kan. (AP) — A psychiatrist was stabbed to death in an alley behind his holistic practice in Kansas and a man identified as one of his patients has been arrested in the killing, police said Thursday.

Achutha Reddy, 57, was killed in the attack Wednesday evening at the Holistic Psychiatry Services clinic in Wichita. Police Lt. Todd Ojile said the suspect in custody was Reddy's client, but that authorities do not know what prompted the attack.

Police said the suspect and Reddy had been seen entering the clinic together earlier in the day. The suspect left and later returned, and the two...