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

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

Taiwan’s government said that they had been accused of a breach of trust, but that their employer, Foxconn, had denied the company suffered any losses.

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

Police in Zhengzhou city have detained four Foxconn staff on charges of breach of trust, according Taiwanese officials.

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.

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,

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.

Authorities in the Chinese city of Zhengzhou have accused them of ‘breach of trust’ and the ‘misappropriation of funds’

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.

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,