The entertainer’s team was not told about the planned attack. They found out about it from media reports on Sunday.

Victor Nascimento and eight friends started planning as soon as they heard Lady Gaga was going to Rio de Janeiro. They booked a hotel 15 minutes away.

Police in Brazil said Sunday that two people have been arrested in connection with an alleged plot to detonate a bomb at a free Lady Gaga concert in Rio de Janeiro. The event, on Saturday, was the biggest show of the pop star’s career that drew some 2 million fans to Copacabana Beach.