Over a year and a half year period in the mid-1980s the East Tyrone Brigade attacked and bombed RUC barracks and stations in Ballygawley , Tynan , The Birches , Coalisland , Dungannon , Carrickmore and Castlederg . They bombed hotels and other businesses in Kildress , Ballyronan , Dungannon and Cookstown Arthurs took part in two of the IRA 's biggest attacks of the 1980s . At the Attack on Ballygawley barracks in December 1985 and then the Attack on RUC Birches barracks in August 1986 , Arthurs was a key member of the team who drove a digger past a security fence , stopped it outside the barracks , lit a fuse , ran to safety and wrecked the barracks with a 200 lb bomb in the JCB Digger
Attack on RUC Birches barracks
Attack on RUC Birches barracks
Declan Arthurs (Irish republican)