The explosion earlier Saturday, which left two of the Israeli soldiers severely injured, was one of the most serious incidents on the border of the Hamas-ruled enclave since the Islamist movement and Israel fought a war in 2014.
![Madden Hein is dead [Facebook/Kathryn Nasby Hein]](data:image/svg+xml;charset=utf8,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20width%3D'100'%20height%3D'100'%20data-ring-placeholder%3D'1'%3E%3C%2Fsvg%3E "Madden Hein is dead [Facebook/Kathryn Nasby Hein]")
In response Israel's army said "fighter jets targeted six military targets in Gaza belonging to Hamas, including: a terror tunnel in the Zaytun area and military compounds near Deir el-Balah and Khan Yunis".
The army then reported a "launch was identified from the Gaza Strip at Israeli territory".
Prime Minister Benjamin Netanyahu at a security conference in Munich called the Gaza border incident "very serious" and pledged to "respond appropriately".
A Palestinian security source said the Israeli air strikes hit three bases belonging to Hamas in the east of the blockaded Gaza enclave.
Two Palestinians were injured in the raids, Palestinian medical sources said.
Earlier in the day the army said "two soldiers were severely wounded, one moderately and one slightly" when an improvised explosive device blew up along the border fence with Gaza.
None of the soldiers' lives were in danger, a spokesman clarified.
In response Israeli forces said a tank quickly opened fire at an "observation post" in southern Gaza, causing no injuries on the Palestinian side.
Palestinian security sources said the explosion took place east of the city of Khan Yunis.
'Rogue group'
Spokesman Jonathan Conricus said a "rogue group" had claimed responsibility for the blast, likely indicating one of the more radical Islamist groups who are present in Gaza.
But he insisted that "from our point of view Hamas is responsible" and said the explosive had been planted during a protest arranged by the group on Friday.
Israel holds the Islamist Palestinian movement Hamas responsible for any fire coming from the blockaded coastal enclave.
The Israeli army responds automatically to any strikes on its territory, generally targeting Hamas facilities.
Hamas's armed wing, the Ezzedine al-Qassam Brigades, in a statement said they had fired at the Israeli jets overhead.
But Israeli army spokesman, Lieutenant Colonel Jonathan Conricus, said there was no truth to the claim.
Hamas and Israel have fought three wars since 2008, and the last conflict in 2014 was waged in part over tunnels from Gaza that were used to launch attacks.
Israeli aircraft hit Hamas targets in the southern Gaza Strip repeatedly in early February, after it said Palestinians there fired a rocket into the Jewish state.
Tensions between the Palestinians and Israel have been high since US President Donald Trump recognised Jerusalem as the capital of the Jewish state in December.
Netanyahu will visit the White House next month, a senior US administration official told AFP on Friday.
The March 5 visit comes after a war of words between close allies Israel and the US over settlements, and a scandal that has seen police recommend Netanyahu be indicted for graft.
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![The 10 warmest years have occurred since 2007 [Black Doctor]](data:image/svg+xml;charset=utf8,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20width%3D'300'%20height%3D'172'%20data-ring-placeholder%3D'1'%3E%3C%2Fsvg%3E "The 10 warmest years have occurred since 2007 [Black Doctor]")
