Abu Homam al-Shami the top   military commander of Syria’s al-Nusra Front militant group has been killed in an air strike, the group has said and named the 3 other commanders killed  along with him as  as Abu Musab Falastini, Abu Omar Kurdi, and Abu Baraa Ansari.

http://yalibnan.com/2015/03/05/al-nusra-identifies-all-4-commanders-killed-in-idlib-syria/