DENVER (AP) - Some Colorado fans are upset after music superstar Madonna used guns during a performance.

Madonna started her show Thursday night at the Pepsi Center in Denver with a gun scene, which she has used in previous performances.

According to KUSA-TV, the station received several calls Friday from concert-goers saying they were offended she used guns and violence as part of her show in light of recent events in the state that included a mass shooting at a theater during a Batman movie on July 20 that left 12 people dead.

In a statement before beginning the tour, Madonna said she does not condone the use of guns. She said she is using the guns as symbols of intolerance and "the pain I have felt from having my heart broken."