#GlobalNews<br />U.S. Attorney Leah Foley announced on Tuesday that authorities arrested two men from Massachusetts in the explosion at Harvard Medical School last weekend.<br /><br />Foley said 18-year-old Logan Patterson and 20-year-old Domique Cardosa were taken into custody early morning and charged with their alleged involvement in the explosion.<br /><br />Foley said the explosive, which detonated inside a research lab locker, appeared to be a large commercial-grade firework.
