During Operation Demetrius , for instance , a total of 1,981 people were interned without trial , of whom only 107 were loyalists .
No loyalists were arrested until 1973 , 2 years after the introduction of internment .
During Operation Demetrius , for instance , a total of 1,981 people were interned without trial , of whom only 107 were loyalists , and no loyalists were arrested until 1973 , 2 years after the introduction of internment .