§ Mr. Archerasked the Secretary of State for Northern Ireland how many persons were arrested by the police in Northern Ireland in 1986 under emergency legislation, and under other arrest powers; how many in each category complained whilst in police custody of irregular conduct by police officers during interview procedures; how many of any such complaints in each category were not subsequently pursued by complainants with the Police Complaints Board; and what proportion of those persons were arrested under emergency legislation who alleged irregular conduct by police officers during interview procedures were at the time being interviewed at (a) Castlereagh and (b) Gough police offices, respectively.