Wantaway Manchester United striker, Romelu Lukaku is expected to be fined by the club for missing training without permission.
Lukaku, 26, wants a move away from Old Trafford this summer with Serie A giants Inter Milan and Juventus understood to be interested in him.
Inter had a £54million bid for the Belgian rejected by United last month.
Antonio Conte, the Inter manager, has previously suggested Lukaku is a target, saying: “I consider him a player who could improve our team.”
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Lukaku looked set to join Juve in a deal that would see Paulo Dybala go the other way last week.
However, United pulled the plug on their attempts to sign the Argentine over the weekend as they were reportedly put off by his lack of enthusiasm to the move and his high wage demands.
And seemingly in an attempt to force through his move to Italy, Lukaku trained with his former team Anderlecht for the past two days.
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Although Monday was a day off for United’s players, he was expected back on Tuesday but remained in Belgium.
Lukaku has not featured in any United’s pre-season matches, citing injury as the reason for his continued absence.
He joined from Everton for an initial £75m in July 2017 and scored 12 league goals last season.
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The transfer window in England closes on Thursday at 5pm, but many other European clubs can continue trading players until September 2.
It is understood Lukaku’s agent is in London attempting to get his exit to Italy over the line.
With Lukaku being linked elsewhere, United are understood to be targeting former Tottenham striker, Fernando Llorente, who is currently a free agent.