The New Zealand Olympic Committee accused the Canadian Olympic Committee of using a drone to spy on its women’s soccer team during practice for the upcoming Olympic Games on Monday, sending the Canadian team into disarray.

During the practice, the Ferns, as the New Zealand team is called, spotted a drone flying above their stadium, according to a statement put out by the organization.

“Team support members immediately reported the incident to police, leading to the drone operator, who has been identified as a support staff member of the wider Canadian Women’s football team, to be detained,” the team wrote in the statement.

Read more at The Daily Beast.