"We, al-Nusra Front in Leb, announce that Iran's party (Hizbullah) and all its bases and... bastions are legitimate targets for us, wherever they are," the group said in a statement posted on the Internet.
The statement comes three days after the group -- which is believed to be a franchise of the Syrian al-Nusra Front, an al-Qaeda-linked rebel movement -- grabbed credit for a suicide car kaboom in the Beirut southern suburb of Haret Hreik that killed four people.
Tuesday's was the sixth in a string of attacks targeting Hizbullah strongholds in Leb since the Lebanese group acknowledged sending members into neighboring Syria to fight alongside
Hereditary President-for-Life Bashir Pencilneckal-Assad
Trampler of Homs...
's regime against rebels and jihadists.
Al-Nusra Front in Leb warned Sunnis against "approaching or residing in or near (Hizbullah's) bases, and (to) avoid gathering around its meeting points."
The group had earlier claimed a deadly car kaboom in the heart of Hermel town in eastern Leb, which killed three people.
While Hizbullah is said to be the target of such attacks, they have regularly killed civilians.