The announcement came after six Palestinians were reportedly killed in clashes with Israeli security forces along the Gaza border Friday afternoon, according to the Hamas-run health ministry.
At least 205 Palestinians have been killed by Israeli fire in Gaza since protests began on March 30.
Haniyeh said on Saturday that Palestinians will not stop the Great March of Return protests until a decade-long Israeli blockade on Gaza is lifted completely.
Four died along the frontier east of Al-Bureij in central Gaza, one east of Gaza City and one near Rafah in southern Gaza, the spokesman said, adding that all the victims were men aged between 17 and 29.
Palestinian official news agency Wafa identified the passenger who died as 48-year-old mother of eight, Aisha Mohammed Rabi.
Israeli army spokesman Jonathan Conricus said around 20 Palestinians had crossed the border in an "organised attack" after an explosive device destroyed a portion of the fence.
"Israel will not tolerate a situation in which fuel tankers are allowed to enter Gaza on the one hand, while terror and violence are used against IDF soldiers and Israeli citizens on the other", Defense Minister Avigdor Liberman's office said on Friday. Israel said its troops had shot and killed a group who broke through the fence with a bomb and attacked an army post.
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President Donald Trump has also weighed in, calling the incident "a very serious situation for us and this White House". Vice President Mike Pence said on Wednesday the United States was ready to help in any way in the investigation.
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Google said it would continue to offer private Google+ powered networks for businesses now using the software. The bug has reportedly existed since 2015, and Google does not know if the information has been used.
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In places like the American Southwest, warming is already affecting snowpack, forest die-offs, water supplies and wildfire season. It also does not describe any risks except for destabilization of the Greenland and West Antarctic ice sheets, he said .
But thousands of protestors again gathered Friday in sites along the border, AFP correspondents said.
About 600,000 Israelis live in over 230 illegal settlements built since the 1967 Israeli occupation of the Palestinian territories of the West Bank and East Jerusalem al-Quds.
A middle-aged Palestinian woman has been stoned to death by Israeli settlers in the northern part of the occupied West Bank, reports say.
One Israeli soldier has been killed.
Israel accuses the enclave's Islamist rulers Hamas of leading the protests and using them as a cover for attacks.
They also seek the right to return to lands that Palestinians fled or were driven from upon Israel's founding in 1948.