UEFA, European football's governing body, has confirmed it is
looking into a complaint of racist abuse by Benfica supporters
during United's recent Champions League match.
The Reds have confirmed they made a complaint after the match at
Estadio da Luz on 26 September.
At this time, United are making no further comment on the alleged
incidents as UEFA carry out their investigative procedures.
Europe's governing body released a statement announcing their
intentions.
"[We] are investigating a written complaint made by Manchester
United about alleged racist conduct by spectators at the UEFA
Champions League Group F match against Benfica," read the
statement.
"The English club has submitted the complaint, following
allegations by United players that they were subject to abuse of a
racist nature at the game in Portugal, which United won 1-0."