内容摘要：This indicates concern about shortages of a medicine and allows pharmacists to give patients an alternative - though they argue other drugs are also in short supply.

This indicates concern about shortages of a medicine and allows pharmacists to give patients an alternative - though they argue other drugs are also in short supply.

John Miller, 63, and a Chinese man, Cui Guanghai, are wanted by the FBI on charges relating to conspiracy to commit interstate stalking and conspiracy, smuggling and violations of the Arms Control Act.Mr Miller, a permanent US resident, and Mr Cui, 43, were both arrested in Serbia. They remain there and could now face extradition to the US.

The Foreign Office has confirmed it is providing consular assistance to a British national following his arrest in April and it is "in touch with the local authorities and his family".Court documents suggest the two men discussed ways of exporting a device that could be used for encryption and decryption. They are alleged to have paid a $10,000 (£7,430) deposit for the equipment.Mr Miller and Mr Cui are also accused of trying to "harass" an anti-Chinese government protester, which included installing a tracking device on their car and slashing their tyres.

Deputy Attorney General Todd Blanche accused the pair of a "blatant assault" on US national security and its democratic values.He added: "This Justice Department will not tolerate foreign repression on US soil, nor will we allow hostile nations to infiltrate or exploit our defence systems."

If found guilty, Mr Miller could face up to 20 years in prison for violation of the Arms Export Control Act, and 10 years for smuggling.

Court documents detail how the men allegedly solicited the procurement of US defence articles, including missiles, air defence radar, drones and cryptographic devices for unlawful export to China.John Miller, 63, and a Chinese man, Cui Guanghai, are wanted by the FBI on charges relating to conspiracy to commit interstate stalking and conspiracy, smuggling and violations of the Arms Control Act.

Mr Miller, a permanent US resident, and Mr Cui, 43, were both arrested in Serbia. They remain there and could now face extradition to the US.The Foreign Office has confirmed it is providing consular assistance to a British national following his arrest in April and it is "in touch with the local authorities and his family".

Court documents suggest the two men discussed ways of exporting a device that could be used for encryption and decryption. They are alleged to have paid a $10,000 (£7,430) deposit for the equipment.Mr Miller and Mr Cui are also accused of trying to "harass" an anti-Chinese government protester, which included installing a tracking device on their car and slashing their tyres.