A busy week for the St. Clair County Drug Task Force as eight suspects were arrested in a drug bust on Tuesday.  Officers served search warrants along the 2200 block of Griswold in Port Huron and found crack cocaine valued at about $260.  Also seized was about $50 worth of marijuana.  A juvenile in the home was relocated to a family member's home while the suspects were lodged at the St. Clair County Jail to await arraignment.  A second bust Thursday took place in the 1400 block of Stanton Street in Port Huron.  A 23-year old man was taken into custody and about $560 worth of heroin was seized.  The suspect was taken to jail for arraignment.