A leader of Somalia's al Qaeda-linked militants Ahmed Abdi Godane was the target of an US air strike in Somalia, an US official said.
It is not clear whether the Al-Shabaab leader was hit in the strike, the official added.
Six militants were killed in the attack on two vehicles that were heading toward the coastal town of Barawe, Al-Shabab's main base.
Since taking charge in 2008, Godane has restyled the group as a global al Qaeda player - a transformation that was highlighted when it killed at least 67 people in an attack on a Kenyan shopping mall last September.
More top news
David Gray, Steve Harley and KT Tunstall are just some of the big names associated with the new single, released in December.
Tonight it'll become quite clear with a patchy frost in places. The breeze will keep much of the fog at bay.
He suggested people who are not concerned about the new notes donate their bodies for 'decorative use in future five pound notes'.