March 31 (Reuters) - Romelu Lukaku could be ⁠in hot water with Napoli after the Belgium striker failed to turn up for ⁠training despite withdrawing from international duty with an injury, the Serie A champions said ‌on Tuesday.

The club confirmed Lukaku was a no-show after being called back to their training ground, sparking threats of disciplinary action in a saga that has left the former Chelsea and Inter Milan striker's immediate future hanging in the balance.