21 people hospitalized after Baltimore building explodes, 2 workers trapped on scaffolding rescued BGE building explodes in downtown Baltimore, injuring several By: WMAR Staff & Scripps National Posted at 4:13 PM, Dec 23, 2020 and last updated 2020-12-23 19:16:46-05 BALTIMORE â Baltimore City Fire officials are investigating a Wednesday morning explosion at the BGE office building downtown. In total, 23 people were rescued from various parts of the building. Fire officials say 21 of them have been taken to the hospital. At least nine are in serious or critical condition. According to a statement, BGE said the 21 contractors were treated at area hospitals for non-life-threatening injuries. BGE said two individuals rescued were window washers who became trapped high atop a scaffold on the side of the building.