Al-Jazeera.com :Tunisian authorities have arrested four people allegedly directly linked to Wednesday’s attack on a museum that killed at least 21 people.Five others suspected of having ties to the gunmen behind the attack have also been detained, the presidency said in a statement.Earlier on Thursday, officials identified two of the gunmen as Yassine Laabidi and Hatem Khachnaoui, saying one of the assailants was known to the intelligence services.It was not clear which of the two men was known to the intelligence service and no formal links to a particular armed group had been established.In an interview with France’s RTL radio, Prime Minister Habib Essid said Tunisia was working with other countries to learn more about the attackers.Both men were killed by security services in a raid after they attacked the National Bardo Museum.Details about the attackers’ identity emerged as President Beij Caid Essebsi vowed to wage a “merciless war against terrorism” after the gunmen killed 19 foreign tourists and two Tunisians in a daylight attack.As the international community denounced Wednesday’s assault, which also left more than 40 people wounded, Essebsi said Tunisia would fight “to our last breath”.”I want the Tunisian people to understand that we are in a war against terrorism and that these savage minorities do not frighten us,” said Essebsi, who visited some of the dozens being treated for wounds in a Tunis hospital.”We will fight them without mercy to our last breath.”The gunmen opened fire on the tourists – including visitors from Japan, Italy, France, Australia, Colombia, Poland and Spain – as they got off a bus then chased them inside the museum, said Prime Minister Habib Essid.We are in a war against terrorism … these savage minorities do not frighten us. We will fight them without mercy to our last breath.A Japanese survivor described how she and her mother were shot in the hail of bullets.”I was crouching down with my arms over my head, but I was shot in the ear, hand and neck,” 35-year-old Noriko Yuki said from her hospital bed in comments aired by Japanese broadcaster NHK.”My mother beside me was shot in the neck. Mother couldn’t move by herself when the police came over,” she added.Among the dead were three Japanese, four Italians, two Colombians and one each from Australia, France, Poland and Spain, Essid announced on television, in what he said was a definitive toll.However, differing figures were given by other governments and there was conflicting information over the breakdown, with some of the dead identified as joint nationals.The nationality of a 16th victim was not given, while the identity of the final fatality had not yet been established.The Colombian tourists were a mother and child visiting Tunisia on a family holiday, their government said. The father survived the attack.Tunisia was working with other countries to learn more about the attackers, identified as Yassine Laabidi and Hatem Khachnaoui. They were killed by security services in a raid after they attacked the museum.
