A newly released video shows the moment Tunisia’s elite BAT squad entered the Bardo Museum to confront the gunmen who attacked the Tunis tourist attraction, which left 21 people dead.<br /><br /> The country’s Interior Minister, Najem Gharsalli, announced that the assault was launched by a cell of 23 militants believed to be a union of two extremist groups, Okbha Ibn Nafaa and al-Qaeda in Islamic Maghreb. <br /><br /> Around 80 percent of those suspected of involvement have been arrested and authorities are engaged in a huge operation to locate those still at large.<br /><br /> It has since been uncovered that the two killers shot dead at the scene received training at militant camps in Libya.
