(CBS) – A boil order remained in effect for south suburban Robbins after construction crews ruptured a water main.

Thousands of residents were without water for hours Thursday.

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Mayor Tyrone Ward says a construction crew working on installing street lights accidentally drilled into a 12-inch water main at 135th and Kedzie.

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The village gave two gallons of water to those who lined up for it.

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Even after water service was restored, the inconvenience wasn’t over. Residents were told to boil their drinking water through Friday evening to be safe.