Two more previously undisclosed allegations of beatings and abuse of Afghan detainees after they were turned over by Canadian troops to Afghanistan's controversial national security service have surfaced in British court documents.

Canadian officials say the abuse allegations, from last summer, were promptly investigated and found groundless: An internal probe by Afghanistan's National Directorate of Security exonerated the NDS interrogator involved. They contend the handling of the allegations demonstrates that Canadian safeguards in detecting claims of abuse and demanding investigations are working.

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