Authorities have closed the shipping channel and were letting the fires burn . NEW : All casualties are believed to be accounted for , a fire department says . 2 barges with natural gas explode on the Mobile River , the fire department says . 3 people were injured and transported to a local hospital , Mobile firefighters say . The blast occur near where the second barge is docked , a Coast Guard official says .
NEW : All casualties are believed to be accounted for , a fire department says . 2 barges with natural gas explode on the Mobile River , the fire department says . 3 people were injured and transported to a local hospital , Mobile firefighters say . The blast occur near where the second barge is docked , a Coast Guard official says .