OUAGADOUGOU, Burkina Faso—Two Spanish citizens have been killed in an ambush in eastern Burkina Faso, the Spanish government said on Tuesday. The Spanish journalists and an Irish citizen went missing during an attack by gunmen Monday near a national park, said Arancha González Laya, Spain’s foreign affairs minister, in a press conference. The two Spaniards are from northern Spain and were working on a documentary on how Burkina Faso’s authorities were tackling poaching and on the communities of people living in the park. At the time of the attack, they were traveling with an anti-poaching patrol with about 40 people, she said. “It is a dangerous area where terrorists, bandits, and jihadists usually operate,” said González Laya. The Irish government said it was “aware of the reports and is liaising closely with international partners regarding the situation on the ground.” An audio message heard by The Associated Press that purports …