President Donald Trump has canceled his Saturday appearance at a Kansas rally, his only scheduled campaign-trail appearance the weekend before Election Day.

The president will instead participate in a series of virtual rallies. It’s unclear whether he will reschedule the Kansas event.

Trump was scheduled to appear at Salina Regional Airport to support embattled Republican incumbent Sen. Roger Marshall , who is polling closely in a race for re-election against Democratic candidate and pastor Adam Hamilton. The last time voters in the state elected a Democratic U.S. senator was in 1939.

Pieter Miller, executive director of the Salina Airport Authority, said “all Salina events are cancelled” due to the president’s schedule.

Protesters repeatedly interrupted the president’s last appearance in the state, which Trump falsely claimed were “paid” to be there.…