GARDEN GROVE (CBSLA.com) — An “unknown amount” of California Lottery tickets were stolen early Tuesday morning in a break-in at a Garden Grove market.

A burglary alarm alerted officers to the break-in at A1 Market, 11512 Magnolia St., at 1:58 a.m., Garden Grove police Sgt. Jon Wainwright said.

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When officers arrived at the market, they discovered the ceiling of the market had been heavily damaged, but the exterior doors and windows were all secured, Wainwright said.

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Wainwright said an Anaheim police helicopter discovered two holes on the roof of the business, along with a rope found hanging from the rooftop. No suspects were found inside, however.

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(© Copyright 2017 CBS Broadcasting Inc. All Rights Reserved. City News Service contributed to this report.)