Four employees of the Taiwanese contract manufacturer that makes the Apple iPhone are in detention in China, Taiwanese authorities said Friday.

TAIPEI (Taiwan News) — Four Taiwanese employees of the Foxconn Technology Group were arrested in Zhengzhou, China by local authorities on unspecified charges.

Chinese police have detained four workers of the Taiwanese iPhone maker, Foxconn, in circumstances Taipei has described as "strange". The employees were arrested in Zhengzhou in Henan province on "breach of trust" charges,

Four employees of Taiwan’s Foxconn, the world’s largest iPhone assembler, have been detained in China under “quite strange” circumstances, Taiwan’s government said.

Chinese police have taken into custody four Taiwanese employees at Hon Hai Precision Industry Co., Apple Inc.’s main assembly partner, the latest in a spate of detentions that have rattled investor confidence in the country.

Four Taiwanese employees at Chinese facilities that make products for Apple have been detained by local authorities.

The employees were detained by public security in the city of Zhengzhou for the equivalent of 'breach of trust' under Taiwan law, Taipei's top China policy body, the Mainland Affairs Council, said

China has detained four Taiwanese employees at Foxconn’s Zhengzhou plant, the largest iPhone production facility in the world, responsible