It was not immediately clear what caused the officer to discharge his weapon or why Paddock stopped firing on a crowd from his room on the 32nd floor of the Mandalay Bay Resort and Casino.
JEB JUMPS OUT: Rep. Jeb Hensarling (R-Tex.) won't run for re-election https://t.co/PRzRlmXdk1— Ed O'Keefe (@edatpost) October 31, 2017