The two Americans were removed from Yemen shortly after the shooting, the official said yesterday.
"We can confirm that, last month, two US Embassy officers in Yemen fired their weapons after being confronted by armed individuals in an attempted kidnapping at a small commercial business in Sanaa," deputy State Department spokeswoman Marie Harf said in a statement to AFP.
The incident occurred amid fresh tensions in the already troubled nation after the army launched a major offencive against Al-Qaeda in the Arabian Peninsula on April 29.
President Abdrabuh Mansur Hadi was not at the palace in the capital when gunmen attacked a checkpoint manned by guards outside the compound, a security source said.
Also Read
The New York Times said a lieutenant colonel with the elite US Joint Special Operations Command and a Central Intelligence Agency officer were involved in the shooting on April 24.
Some US officials told the newspaper that the two officers were getting a haircut at a barbershop in an upscale district of the capital popular with foreigners rather than a clandestine operation, though it remains unclear exactly what they were doing.
Davis was jailed for weeks and released after paying blood money.
"There will certainly be an investigation and one would have to assume it will be informed by what happened in Pakistan," a US official told the Times, hinting Washington was keen on avoiding a repeat of the tensions over the Lahore case with close counterterrorism ally Yemen.