Arsenal have made their first signing for the 2017/2018 season with the arrival of Sead Kolasinac from German Bundesliga club Schalke.
The Gunners announced the signing of the 23-year-old defender on their website on Tuesday.
"Sead Kolasinac will join us this summer on a long-term contract," Arsenal announced.
"Subject to the completion of all regulatory processes, the defender will start pre-season training in July."
Kolasinac, who will be 24 on 20 June, joins Arsenal on a free transfer. He is a Bosnia international.