A US air strike in Yemen last month killed the senior Al-Qaeda official who appeared in a video claiming the deadly January attack on French magazine Charlie Hebdo, a monitor said Thursday.

Nasser bin Ali al-Ansi, who was killed in the April strike along with his eldest son and other fighters in the port city of Mukalla, also appeared in Al-Qaeda videos claiming the capture and death of US hostage Luke Somers, SITE Intelligence Group said