Manchester United Manager Alex Ferguson and Assistant Manager Carlos Queiroz have both been charged with improper conduct.

They have been charged in relation to media comments made following Manchester United's FA Cup Sixth Round tie against Portsmouth in March.

Ferguson's charge concerns comments about referee Martin Atkinson and PGMO General Manager Keith Hackett.

Queiroz's charge relates to comments about referee Martin Atkinson.

Both parties have until 17 April to respond to the charge.