Arrests of suspected coup supporters following the 6 March coup attempt in Kabul, specifically any information about arrests at the Polytechnique (Kabul Univ.) [AFG5765]

Attached, please find documentation about the arrest of over 600 people following the coup attempt of 6 March 1990. By April, at least 623 people had been arrested "on suspicion of involvement in the plot" [British Broadcasting Service, "Afghan Deputy Minister on Arrests Since Coup Attempt", Summary of World Broadcasts, 5 April 1990.]