WEST MIFFLIN, Pa. -- Classes are canceled on Monday in the West Mifflin and Steel Valley School Districts after a major water main break on Sunday.

Classes are also canceled on Monday at St. Therese School in Munhall.

A 12-inch main on Interboro Avenue burst at 4:30 p.m., sending water rushing into the streets.

A sidewalk also started to crumble from the break.

Pennsylvania American Water Co. said that customers in West Mifflin, Munhall, Lincoln Place, Homestead and West Homestead were affected.

Crews hope to have the break fixed by Monday morning.

A 16-inch water main broke in McKeesport on Saturday, sending water rushing into the streets.

Officials said the breaks were unrelated.

Community Water Stations:

Engine House #4, 3402 Main St., Munhall

Homestead Park United Methodist Church, 4231 Shady Ave., Homestead

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