Around 70,000 people received weapons training and religious instruction in camps run by Osama bin Laden's al-Qaeda network - mainly in Afghanistan - a senior German police officer told a court yesterday. Testifying at the retrial of Mounir El Motassadeq, a Moroccan charged with involvement in the September 11, 2001 terrorist attacks on the United States, complicity in the murder of some 3,000 people and membership in a terrorist organization. Motassadeq admitted that he had been trained in Afghanistan.