Elanga was outstanding for United in victory at Brentford this week, scoring in the 3-1 win.
Andersson admits the young Swede is now on his radar.
He said, "It was great to see Anthony Elanga score.
"He has had a good development the last few years and it will be fun to follow his development from here.
"There is a long time until the next squad selection and we know that a lot can happen, but Anthony is a player that we continue to follow closely."
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