Samsung Group unit raided in slush fund probe

Prosecutors raided an affiliate of the Samsung Group, South Korea’s largest conglomerate, in a widening probe of slush funds provided by businesses to politicians, officials said. Investigators seized financial documents at Samsung Electro-Mechanics Co, the group’s subsidiary specialising in electronics parts and fibre optics, and its subcontractor Dongyang Electric Industrial Co. ‘‘The search and seizure were carried out in the morning,’’ a Samsung Electro-Mechanics official said. Prosecutors allege that the firm created a slush fund for illegal political donations by inflating its transactions with Dongyang Electric Industrial, according to Yonhap News Agency. Executives at both firms will be summoned for questioning, the agency said.