Israel killed a top Islamic Jihad commander in a rare targeted strike in the Gaza Strip on Tuesday, citing he has carried out a series of cross-border attacks and was planning more.
Israel also launched a missile attack targeting the home of an Islamic Jihad official in Damascus, killing one of his sons, Syrian state media said. Islamic Jihad said the target was the home of political leader Akram Al-Ajouri.
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The slaying of Baha Abu Al-Atta in his Gaza home looked likely to pose a new challenge for Gaza's ruling Hamas faction, which has mostly tried to maintain a truce with Israel since a 2014 war.
The Iran-backed terrorist group said it would mount an "unprecedented response" to Israel's move, saying the Jewish state has "opened the gates of hell."
"Israel executed two coordinated attacks, in Syria and in Gaza, in a declaration of war," Islamic Jihad leader Khaled Al-Batsh said at the Gaza funeral of Al-Atta.
Israel casts rising Gaza tensions as part of a wider regional struggle with archfoe Iran. Prime Minister Benjamin Netanyahu has cited such scenarios in trying to form a broad coalition government after two inconclusive elections this year.
PRECISION STRIKE: This is the building we surgically targeted overnight to thwart the imminent threat of Islamic Jihad commander in Gaza, Baha Abu Al Ata.
📍Shejaiyah, Gaza pic.twitter.com/NkNlWAPMhy
— Israel Defense Forces (@IDF) November 12, 2019
Al-Atta's wife was also killed in the blast that ripped through the building in Gaza City's Shejaia district before dawn, Islamic Jihad said. Two people were wounded.
Shortly after, Palestinian terrorists a salvo of rockets into Israel, setting off sirens as far as its port city of Ashdod, about 20 km (12.5 miles) away, witnesses said.
Video circulated on social media, which Reuters could not immediately verify, showed mid-air rocket interceptions by Israel's Iron Dome air defense system. There was no word of casualties or damage. Police closed roads on the Gaza outskirts as a precaution.
In a statement, the Israeli military said Netanyahu had authorized the operation against Al-Atta, blaming him for recent rocket, drone and sniper attacks against Israel, and attempted infiltrations into the country.
"Abu Al-Atta was responsible for most of the Palestinian Islamic Jihad's activity in the Gaza Strip and was a ticking bomb," the statement said, accusing Al-Atta of planning "imminent terror attacks through various means".
An Islamic Jihad statement confirmed the death of Al-Atta, who it said had been in the midst of "heroic jihadist action".
"Our inevitable retaliation will rock the Zionist entity," the statement said, referring to Israel.
Separately, Hamas said Israel "bears full responsibility for all consequences of this escalation" and pledged that Al-Atta's death "will not go unpunished".
Syrian state media said the Israeli attack in Damascus had been carried out using several missiles, one of which was shot down over the nearby suburb of Daraya.
It said at least two people were killed and six wounded in the attack, describing the target as a civilian home in Mezzah, a western district of the capital where several foreign embassies are located.
Photos published by state news agency SANA showed damage to a two-story building and debris strewn over cars.
