The United Arab Emirates refused to comment Tuesday after U.S. officials said its warplanes had secretly bombed Islamist positions in Libya. American officials say the UAE recently used Egyptian bases to carry out two rounds of air strikes on Tripoli .

Frederic Wehrey, who served as a U.S. military attaché in Libya, is now with the Carnegie Endowment for International Peace. He told RFI’s Michel Arseneault that it’s unusual for a U.S. ally to launch airstrikes without informing the United States.

This interview was originally broadcast on Radio France International.