Celtic manager Ronny Deila insists Virgil van Dijk does not want to leave the Scottish Premiership leaders in January.
Celtic boss Ronny Deila says keeping his best players will take priority over acquisitions in the transfer window.
Bolton have signed West Ham forward Robert Hall on loan until the end of the season.
The striker, 19, who can also operate as a winger, is available to Trotters boss Dougie Freedman for Saturday's trip to Charlton.
England youth international Hall spent time with Wanderers' npower Championship counterparts Birmingham earlier this season, where he played 13 games, including the full 90 minutes in a 3-1 December defeat at the Reebok Stadium.