A FedEx pilot was arrested in China last week after items were found in his check bag before boarding a commercial flight, the company confirmed to Fox News on Thursday.
Fedeks stated that former US Air Force pilot Tod A. Hong was later released and he is working with Chinese authorities to find out what happened at Guangzhou airport.
Hon was arrested on September 12 after pellets used in a replica air cannon were found in his control bag, The Wall Street Journal reported, citing people familiar with the incident .
Chinese authorities allege that Hong Kong was illegally transporting ammunition and they have launched a criminal investigation, according to The Journal.
Fedeks stated that the pilot was released later, but his whereabouts are unknown. The magazine reported that Hong was moved to a hotel and told him that he could not leave mainland China until the investigation was completed.
"We are working with the relevant authorities to gain a better understanding of the facts," a company spokesman said in a statement to Fox News.
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This week FedEx CEO Fred Smith blamed slower global economic growth on trade uncertainty. FedEx shares fell 12.9 percent Wednesday – their worst day since 2008 – after the Memphis, Tenn., Company reported disappointing quarterly earnings and lowered its full-year earnings forecast.
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Earlier this year, Chinese tech giant Huawei complained about deliveries that FedEx incorrectly made. Shortly afterwards, in June, FedEx filed a lawsuit against the Department of Commerce to suspend export rules restricting supplies to Huawei and other businesses. Huawei is on a list of companies that are denied US technology without a special license from the Commerce Department.
The Associated Press contributed to this report.