TUNIS: Tunisia has identified three  suspects wanted over Tuesday’s suicide bombing that killed 12  presidential guards and is offering a financial reward for information  leading to their arrest. The interior ministry issued a statement on  Friday evening identifying the wanted men as Hassan Ben Khalifa  Bouchiba, Houcine Ben Khalifa Bouchiba and Walid Ben Mohamed Ali Yousfi.  A preliminary probe has proven that these “terrorist elements are  linked to the explosion on a bus of the presidential guard,” the  statement said. The ministry also promised “an important financial  reward” for “anyone providing information leading to the arrest” of the  three suspects. Tuesday’s suicide bombing in the centre of Tunis was  claimed by the jihadist Islamic State group and authorities have  identified the bomber as a 26-year-old Tunisian travelling salesman  Houssam Abdelli. dozens of suspects  have been said to be arrested since the attack.