WEST HAM boss Slaven Bilic has confirmed his side's interest in Barcelona midfielder Alex Song.

The Cameroon international spent last season on loan at Upton Park, and Bilic admits he's keen to retain his services on a permanent basis this summer.

Barca have reportedly slapped a £6million price-tag on Song, despite having signed him from Arsenal for £15m three years ago.

Premier League rivals Chelsea and Liverpool are also believed to keen on acquiring the 27-year-old, but that hasn't stopped the Hammers' interest.

"Although I said I'm not going to discuss players from other teams, he is somewhere in between," Bilic said when asked about the prospect of Song moving to Upton Park on a permanent basis.

"He played here on loan last year and he's a little bit injured.

"I don't deny that he was a great player who did really well last year and I would like him to stay with us."