The Sierra Leone international has expressed his disappointment after his Norwegian employers rejected an opening bid from Ian Holloway's newly promoted outfit
The Norwegian outfit are thought to have rejected an offer of around £2.1 million for the versatile Sierra Leone international, and are holding out for closer to £4.2m despite just one year remaining on his current contract.
Bangura has urged his employers to allow him to move to Selhurst Park, telling the Haugesund Avis: "I am very disappointed."
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"I only have a few months left on my contract before I can go for free, so the choice should not be that difficult."
The 25-year-old was previously on the books of London rivals Watford after impressing at the Under-17 World Cup in 2003, but was loaned to Honefoss after failing to attain a work permit.
He remained at the Norwegian second division club after his contract at Vicarage Road expired, and his excellent form earned him a move to top-flight outfit Haugesund in 2010.
With Sierra Leone currently ranked inside Fifa’s top-70 nations, he would now be eligible for a work permit should Palace manage to strike a deal.