Complex sentence: Contractors cutting steel antenna cable with a gas-powered circular saw, caused the wildfire that began on May 10,2007, KBRT has had to shut down their transmitter, which was not damaged.
Split into simpler sentences: Contractors cutting steel antenna cable with a gas-powered circular saw, caused the wildfire that began on May 10,2007. KBRT had to shut down their transmitter, which was not damaged.