Arsenal face a fresh battle to close a deal for Eupen winger Henry Onyekuru.
The Daily Mail says Arsenal have been told to improve their offer for Onyekuru.
A £6.8m fee had been agreed with the Belgium club for the 19-year-old striker, who has netted 20 goals in all competitions this season.
However, the Gunners need to increase their bid to secure Nigerian Onyekuru a work permit.
A bigger fee adds to Onyekuru's credentials in his submission to the work permit panel.