Right after she exited the stage, explosions occurred that left people injured and running for cover.
Police are warning people to stay away from the area.
As of right now, police have confirmed there have been fatalities and the arena has been closed off by police.
We will update the story as more information comes out.
UPDATE: Police confirm at least 20 people have died.
UPDATE: Police are now treating the bombing as a terrorist attack, and the explosive device is being described as a “nail bomb.”