SEOUL (Reuters) – South Korean prosecutors searched offices at a Samsung Electronics Co Ltd (005930.KS) unit on Friday as part of a probe into allegations the conglomerate had sabotaged workers’ efforts to strengthen labor unions, the prosecutors’ office said.

A Samsung Electronics office is seen in Suwon, south of Seoul, South Korea April 6, 2018. Yonhap via REUTERS

The tech giant has often come under fire from politicians and civics groups for not engaging with organized labor and its existing unions tend to be small and weak.

The Seoul Central District Prosecutors office told reporters in a brief text message that it raided Samsung’s repair service unit outside Seoul.

A car drives past a Samsung Electronics office in Suwon, south of Seoul, South Korea April 6, 2018. Yonhap via REUTERS

“I think the administration is trying to put a brake on Samsung’s no-union policy, which labor has long criticized,” said Kim Tai-gi, an economics professor at Dankook University, referring to the labor-friendly government of President Moon Jae-in.

Samsung Group, the country’s top family-run business empire, has come under greater scrutiny since heir apparent Jay Y. Lee received a suspended jail term in February for bribing a former president.

“Samsung was already cornered in the wake of Jay Y. Lee’s case. It does not seem easy for Samsung to stick to the existing stance on unions,” Kim said.

During a bribery probe involving another former president earlier this year, investigators found thousands of documents suggesting the conglomerate had developed union-busting strategies,…