Two people were arrested who were involved in a plot to set off a bomb at Lady Gaga's free concert in Rio de Janeiro, Brazil.

RIO DE JANEIRO — Police in Brazil said on 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.

Police did not elaborate on their exact roles in the plot or on how the group came to target Lady Gaga’s free concert. “Those involved were recruiting participants, including teenagers ...