By Mike Stone (Reuters) – A firefighter was killed when a building collapsed trapping several people, the Philadelphia Fire Department said on Saturday. The fire department said there were “2 trapped members from the collapse at 300 W. Indiana St. 1 member was transported to the hospital. The other, a 27-year veteran, was pronounced [dead] at the scene.” The department later said the incident was under control. Jim Kenney, the mayor of Philadelphia, posted a message on Twitter saying: “Grieving with the members of the @PhillyFireDept and all @PhiladelphiaGov who lost one of our own in the line…