Lady Gaga spoke Monday at a Los Angeles candlelight vigil and read names of the victims of the mass shooting at a gay nightclub in Orlando, Florida. The singer can be heard in this video addressing the crowd: “You all have been feeling a tremendous range of emotions since we’ve all heard about this horrible, hateful attack on Orlando.”

Gunman Omar Mateen opened fire at Pulse early Sunday and killed 49 people while injuring 53 others. Police killed 29-year-old Mateen in a shootout before dawn.