Arsenal's new signing was immediately injured in an 'unfortunate' incident at the training ground

Arsenal's new signing Mikel Merino has suffered a shoulder injury in his first training session for the club.

Manager Mikel Arteta has confirmed that the £32million Real Sociedad man will be out for “a few weeks” with a suspected fracture.

Merino, whose arrival was announced on TuesdayHe was involved in a collision with Gunners defender Gabriel and was later pictured wearing a sling.

“It's a shame,” Arteta said. “He has a shoulder injury and looks like he'll be out for a few weeks.”

“He fell to the ground and Gabi fell on top of him. It's probably a fracture.”

More news to come later…