Pennsylvania is one of 10 states with National Guard troops on “standby” for election support, the governor’s office confirms.

The governors of three states said they're prepared to use the National Guard to help with potential civil unrest on Election Day or the days after.

Ahead of potential civil unrest due to Tuesday’s presidential election, the National Guard is on standby as a precaution in several states, including Washington state and Oregon, where hundreds of ballots were damaged or destroyed after at least three ballot drop boxes were recently set on fire,