The U.S. Justice Department is filing charges against Chinese tech giant Huawei.
A 13-count indictment was unsealed in New York charging Huawei, two of its affiliates and a top executive at the company.
The charges include bank fraud, conspiracy to commit wire fraud, and violating the International Emergency Economic Powers Act.
A separate case filed in Washington state charges Huawei with stealing trade secrets from T-Mobile.
Meng Wanzhou, the company's chief financial officer, was arrested in Vancouver at the request of the U-S on December 1st.
Prosecutors allege she committed fraud by misleading American banks about Huawei's business deals in Iran.
Prosecutors charge Huawei used a Hong Kong shell company to sell equipment in Iran in violation of U-S sanctions.
Huawei is the world's biggest supplier of network gear used by phone and internet companies.