Four people shot and one stabbed after brawl at Spanish nightclub

4 individuals have been shot and one other was injured by a knife after violence broke out at a nightclub in southern Spain.

The incident occurred within the early hours of Monday morning on the fashionable Opium nightclub in Marbella on Spain’s Costa del Sol.

Two of the capturing victims -- an Irish man and a girl -- have been in critical situation, police added in a press release.

The one that was stabbed is believed to be the gunman and has been arrested. He's in critical situation with accidents to his chest and head, police mentioned.

In a while Monday, police mentioned a second man, age 26, had additionally been arrested. An investigation has been launched.