Celtic manager Ronny Deila has insisted that in-demand centre-back Virgil Van Dijk is happy to stay with the Scottish champions in January.
The 23-year-old has been linked with a move to Arsenal or Tottenham Hotspur in recent weeks, but Deila is adament the Dutch defender is happy in Glasgow.
"He's very happy. I have spoken with him and we are very happy to keep him as well. He's a top player," Deila told Sky Sports News.
"For me, Virgil's developing now and taking steps all the time which is very important. I am so happy to have him. He is enjoying his football, playing well.
"That's positive. He is such an important player for us. He has learned a lot from August."
Van Dijk joined Celtic last year for £2.6m and has made 52 appearances for Deila's side, scoring seven goals.
