At least four Taiwanese employees at Foxconn, the world’s largest iPhone manufacturer, have been detained in China, Taiwanese authorities said on Thursday. Taiwan’s Mainland Affairs Council (MAC), which oversees its relations with China,

Foxconn has not commented on the matter so far, according to Reuters. The Zhengzhou facility where the employees were detained is a key part of Apple's iPhone supply chain, popularly known as "iPhone City.

The four individuals were detained in Zhengzhou, a central Chinese city, where Foxconn operates its massive iPhone assembly plant, the largest of its kind in the world. The employees are accused of breaching trust,

China's detention of four Taiwanese Foxconn employees is raising concerns about corporate security and investor confidence.

Four Foxconn employees in China were detained under suspicious circumstances, despite the company affirming no harm was done to its interests. The Mai

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.

Taiwan's Mainland Affairs Council, in a statement to Reuters on Thursday, said the four employees had been detained in China's Zhengzhou, home to a major Foxconn plant assembling Apple's iPhones, on suspicion of the equivalent of "breach of trust".

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.