SHANGHAI, China—Medical experts have concluded that working conditions at contract manufacturer Pegatron Corp.’s assembly plant here did not lead to the death from pneumonia of a 15-year-old boy who had lied to gain employment. The facility makes the iPhone for Apple Inc.

BEIJING—Electronics manufacturer Foxconn has admitted that student interns worked overtime and night shifts at a factory in northeast China in violation of company policy.

PARDUBICE, Czech Republic—Contract manufacturer Foxconn, which has been accused of exploiting workers at its Chinese assembly plants, is now facing similar charges at its assembly plant here.

BEIJING—A television reporter for ABC News was granted unrestricted access to Foxconn’s assembly lines. The contract manufacturer, which counts Apple and Dell among its customers, has faced scrutiny over working conditions at its factories.