By AP/KWMU
St. Louis – Authorities are seeking the public's help in their investigation of an explosion in a Clayton parking garage last week.
CrimeStoppers is offering a $1,000 reward for information leading to an arrest in the case.
The group also says it will facilitate an anonymous $10,000 reward for the conviction of the person responsible.
The explosion last Thursday hurt 69-year-old attorney John Gillis, however his injuries are not considered life-threatening.