UPDATE @ 12:16 p.m.:
Public Works Crews on scene said they do not know what caused the break but hope to have it repaired within the next hour.
No boil advisory was issued during the break.
Crestwood Hills is closed between Dunnigan Drive and Kenbrook Drive due to a water main break in Vandalia.
Public Works Crews have been on scene working to repair the main break since about 6 a.m., according to Vandalia dispatchers.
It’s not known how long it will take to repair.