Said Aidi

The Islamic State group has claimed responsibility for for the deadly attack at the Bardo Museum in Tunisia's capital.

23 people were killed in Wednesday's attack, including 18 foreign tourists, five Tunisians and two gunmen, according to an announcement of Health Minister Said Aidi.

Nine people have been arrested in Tunisia in connection with Wednesday's terror attack in the country's capital, Fox News has reported.

Four of those arrested are suspected of being directly related to the attack, according to a statement released by Tunisia's presidential office on Thursday. The other five were arrested "under strong suspicion of relation" to the shooting.