"He said a few months ago, 'I will not come back from Syria, unless a martyr or carrying the flag of victory'. He is the top commander Mustafa Badreddine. And he came back today as a martyr," the Shiite movement said in a statement carried by the Al-Manar TV channel.
He was one of five figures from Hezbollah accused of the assassination of Rafic Hariri, the former prime minister of Lebanon.