Guardia Civil have made 22 arrests, a policeman on practice duty in Los Barrios among them, and recovered 2.2 tons of hashish in the breaking up of a gang which brought the drug into the Campo de Gibraltar area from the north of Morocco.A statement from the Civil Guard said that their investigations started in May and ended with the arrests made last Friday. The case was being handled by Instruction Court Four in Algeciras.The operation was codenamed 'Congreso' and also saw the impounding of two boats, two outboard motors, a trailer, motorbike and 11 vehicles, three of which are known to have been stolen.