WASHINGTON — Two Pakistani nationals have been indicted by a Federal grand jury in Washington on allegations that they operated Internet sites that illegally shipped pharmaceuticals from Pakistan and the United Kingdom to customers in the United States, the Justice Department said on Wednesday. Sheikh Waseem Ul Haq, 39, and Tahir Saeed, 50, are accused of operating Internet sites that, since late 2005, illegally shipped $2 million of pharmaceuticals from Pakistan and the United Kingdom to customers worldwide, including nearly $780,000 in sales to US purchasers. The drugs the men are charged with shipping include Ritalin, Xanax, Valium and various steroids.The two were arrested on October 19th in London.If convicted, the defendants face upto 20 years in prison for each of the two counts involving the conspiracy to import and distribute controlled substances, as well as upto 20 years for the conspiracy to commit international money laundering, the Department's Press release said. They face a maximum penalty of five years for conspiracy to introduce misbranded pharmaceuticals into interstate commerce, and additional time if convicted of the other charges.