A fan ran on the pitch and attacked a player during a Swedish top-tier league match, forcing the game to be abandoned.
Ostersunds goalkeeper Aly Keita was struck by a fan in the 90th minute of a game away to Jonkopings Sodra on Monday evening.
Footage from the match shows Keita running from his penalty area when he sees a fan pursuing him, then lying on the pitch about 30 metres from his goal after being struck.
Video from Onur Ayna - Footage of the incident from behind the goals shown 44 seconds into the clip.
Keita was treated for a slight head injury.
Police arrested a 17-year-old male from Sodertalje, near Stockholm, the Swedish football federation said in a statement.
Sweden's top referee, Jonas Eriksson, took the teams off the pitch and later abandoned the match.
The federation said it could award a 3-0 win to Ostersunds.