Don Zimmerman, the Arkansas Municipal League's longtime executive director, has died, the organization said Sunday.
"It is with an incredibly heavy heart, the .@ARMuniLeague announces the passing of our long-tenured Executive Director, Don A. Zimmerman," the Municipal League tweeted just before 9 p.m. "Please keep the Zimmerman Family in your thoughts and prayers at this very difficult time."
Details of Zimmerman's death were not available.
Zimmerman, 75, first joined the Municipal League in 1966.
"We all have heavy hearts," North Little Rock Mayor Joe Smith said Sunday night. "He was a great leader and just as good a friend. All 500 cities are going to miss him."
Read Monday's Arkansas Democrat-Gazette for full details.