(CNN) US Immigration and Customs Enforcement officers arrested 114 undocumented immigrants working at an Ohio gardening business in one of its largest workplace raids in recent years.

"It is the largest in our region in the last decade," said Khaalid Walls, spokesman for ICE's Northeastern region, which comprises Michigan, Ohio, and Upstate New York.

In April, ICE arrested nearly 100 people accused of being in the US illegally at a Tennessee meatpacking plant. At the time, immigration rights groups said that operation was ICE's largest workplace raid in a decade.

Tuesday's arrests targeted employees of Corso's Flower and Garden Center in Sandusky and Castalia, Ohio, Walls said.

Government agents lead suspects in custody toward a restroom during an immigration sting at Corso's Flower and Garden Center on Tuesday in Castalia, Ohio.

About 200 ICE personnel were involved in the operations, which began at 7 a.m. and continued late into the evening, he said. Search warrants were served at both locations without incident, he said.

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