Israel's army declined to comment, saying it was reviewing the incident. That is more than in recent days, but less than the 30,000 who protested on the first day of the demonstrations on March 30.
He said U.N. Mideast envoy Nickolay Mladenov had been in touch with Israeli and Palestinian officials to reinforce "the need to allow people to demonstrate peacefully". Daniel said he heard gunfire and saw tear gas in the area immediately next to the border.
Video footage showed Mr Murtaja being placed in an ambulance with crowds around and black smoke billowing in the distance, where protesters had set tyres alight. Some threw rocks at the soldiers.
Israel also tried to douse burning tyres with fire hoses from its side of the border.
Ahead of Friday's march, Hamas announced it would pay compensation to families of those killed or injured, ranging from $200 to $500 per injury and $3 000 per death.
In photos apparently showing the journalist at the time he was injured, he was wearing a vest that said "PRESS".
On Thursday, the White House had called on Palestinians to engage in exclusively peaceful protests and stay at least 500 meters from Gaza's border with Israel.
Israel maintains it is simply protecting its border and its troops.
On Friday, thousands of Palestinians streamed to five tent encampments that organisers had set up, each about several hundred meters from the border fence.
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The United Nations Human Rights Council and other human rights organizations have condemned the use of live ammunition against unarmed protesters who posed no "threat to life or serious injury", the only condition that justifies the use of live ammunition by security forces according to U.N.
A ceasefire came into force on January 18, 2009 to end the Israeli operation, in which 1,400 Palestinians and 13 Israelis were killed.
Murtaja's body was taken from the hospital to his home in Gaza City on Saturday morning, with dozens of journalists following, many fighting back tears. Unemployment stands at 50 percent, electricity runs for only a few hours a day and untreated sewage pollutes the coastline.
Unemployment stands at 45 percent and more than two thirds of the population depends on humanitarian aid.
Since Friday morning, thousands of Palestinians have converged on the Gaza Strip's eastern border with Israel to take part in ongoing anti-occupation demonstrations.
They said the demonstrators, including two teenage boys aged 16 and 17, were killed at protest sites along the frontier during a round of daily demonstrations that has been dubbed "The Great March of Return".
The Palestinian Journalists' Syndicate said in a statement that it held Israel "fully accountable for this crime".
"He was a very ambitious, strong, and sweet person", Madhoun said, adding that "It's a pity that Palestinians being killed have only become numbers counted".
Last week's turnout was apparently driven by the organizational prowess of Hamas as well as the growing desperation of Gaza residents who live in what has been described as the world's largest open-air prison.