Jabari, who is the most senior Hamas official to be killed since an Israeli invasion of Gaza four years ago, was killed in an air strike on a vehicle, in a dramatic resumption of Israel's policy of assassinating Palestinian militant leaders.
Jabari has long topped Israel's most-wanted list, the Associated Press reported, and was blamed for in a string of attacks, including the kidnapping of Israeli soldier Gilad Schalit in 2006.
His son was also reportedly killed in the targeted air strike, according to Osama Hamdan, a Hamas representative in Lebanon, talking to Al Jazeera in Doha.
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