Liverpool supporters booed the national anthem ahead of their game against Brentford at Anfield.
The Reds announced on Friday that they would be playing 'God Save the King' before the match to mark the coronation of King Charles III. The news came after the Premier League "strongly suggested" all clubs play the anthem this weekend.
"Just over a week ago, the Premier League contacted all home clubs and strongly suggested to mark this historic occasion across home matches this weekend and provided a list of activity for clubs to get involved in," the club said in a statement.