Later, I set up in downtown Indianapolis to shoot lightning as the convective complex moved over the city. I caught a direct CG strike to the Event Tower, which connected to the south side of the building rather than the antennas (it's not uncommon for downward-moving lightning to connect to objects below their tops). The strike produced two upward leaders emanating from the building's antennas (see crop below).
Another close cloud to ground strike (its branches visible at upper left here) also produced an upward leader from the building's antennas:
Closer crop showing leader:
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