Celtic have rejected an offer totalling £15million from Premier League new-boys Brentford for defender Kristoffer Ajer.

The Athletic's Kieran Devlin reports the Bees are in for the Norway international central defender - who is said to be keen on the move.

The 23-year-old has less than a year remaining on his deal in Glasgow and the club could be pressurised to sell this summer if the right offer comes in for their defensive star.

Ajer has long been linked with a move south, where Newcastle United have also been linked with the Norwegian.