Police are investigating after Wales players Ben Cabango and Rabbi Matondo were racially abused on social media.
Matondo has criticised Instagram, while the Football Association of Wales says it is "disgusted by the racial abuse".
Facebook, which owns Instagram, says it has permanently removed the accounts from which the messages were sent and is "committed to doing more".
South Wales Police says it is "investigating the origin of racially motivated social media posts" aimed at Cabango and Matondo.
In a statement, a Facebook spokesperson said: "We don't want racist abuse on Instagram and have removed the accounts that sent these messages to Ben Cabango and Rabbi Matondo this weekend.