Chelsea left-back Filipe Luis insists he does not want to leave the club despite struggling to earn a starting place.
Gerard Pique says Barcelona are prepared to lose Xavi in the summer as reports link the midfielder with a move to Qatar.
Bangura recently returned from a loan spell at former club AIK last month but failed to force his way into the starting line-up, despite scoring in a friendly against Steaua Bucharest this month.
The Sierra Leone forward has failed to score in 13 competitive appearances since joining Celtic for about £2million in August 2011.
The 23-year-old told Elfsborg's official website that he first heard of a possible transfer on Wednesday, but that both clubs had previously been in contact.