Iraqi tribesmen carry their weapons as they gather to show their willingness to join Iraqi security forces in the fight against Jihadist militants who have taken over several northern Iraqi cities, on June 16, 2014 in the southern city of Basra . Faced with a militant offensive sweeping south toward Baghdad, Prime Minister Nuri al-Maliki announced the Iraqi government would arm and equip civilians who volunteer to fight, and thousands have signed up. AFP PHOTO/STR (Photo credit should read STR/AFP/Getty Images)