NBA says teams must play national anthem after Dallas decline to do so

• Mavericks had stopped playing Star-Spangled Banner
• Many coaches and players have kneeled during anthem

One day after the Dallas Mavericks owner Mark Cuban said he had decided not to play the national anthem before the team's home games, the NBA says The Star-Spangled Banner must still be honoured.

With NBA teams now in the process of welcoming fans back into their arenas, all teams will play the national anthem in keeping with longstanding league policy," the league said in a statement on Wednesday.