(Hannibal)--A water main break results in a precautionary 48-Hour Boil Advisory for a number of Hannibal customers served by  Public Water Supply Dist.#1 of Ralls County. 

Areas affected include:  Head Lane south to Veteran's Road, Village Road, Centerville Road, County Road 418, Westover Road, Terrace Lane, Highway MM, and Dogwood Lane.

Drinking water should be boiled until  Wednesday evening, April 17th.