Abu Amra said Murtaja was clearly marked as a journalist and wearing a helmet and protective vest.
Palestinians evacuate mortally wounded Palestinian journalist Yasser Murtaja, 31, during clashes with Israeli troops at the Israel-Gaza border.
The Israeli military on Sunday said it located two improvised explosive devices next to the Gaza-Israel border, which it said were planted by three militants seen penetrating the perimeter fence earlier in the day.
It says Hamas is exploiting the mass marches as a cover for attacking the border fence, and has vowed to prevent a breach at all costs.
Fifty-one Palestinians have been killed by Israeli forces in the West Bank and Gaza so far this year, including Iyad Zabarka, a 30-year-old Palestinian citizen of Israel who was shot dead by soldiers in the West Bank while fleeing the scene after he reportedly crashed a stolen vehicle during a chase with a private security company on Tuesday.
Mohamed Anbar, 46, was shot and injured by Israeli soldiers near a military checkpoint in the city of Tulkarm last week. Witnesses say he was close to the front of the protests when he was hit.
His brother Motazem, also a journalist, said he was next to him when he was shot.More news: Tracking another April snow shower; warm stretch coming
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Israel's army said it "does not intentionally target journalists".
"France reminds the Israeli authorities of their duty to protect civilians and urges them to show the greatest restraint", a Foreign Ministry spokeswoman said in a statement according to Reuters. Among the dead is a Palestinian journalist who succumbed to his injuries later.
The 2 million people living in the 360-square-kilometer (139-square-mile) Gaza Strip are mostly descendants of the refugees, who have never been allowed to return.
Five Israelis - three settlers and two soldiers - were killed by Palestinians in the West Bank during the same period.
"RSF condemns absolutely the deliberate shooting of journalists by the Israeli army".
On March 31, European Union foreign policy chief Federica Mogherini urged "an independent and transparent investigation" into the use of live ammunition by the Israeli military against the Gazans.
Observers sought an global investigation into the war crimes and said that the use of lethal force by the Israeli Defence Forces (IDF) against unarmed civilians and those protected under worldwide law is a clear violation of the Fourth Geneva Convention.