At least 16 Palestinians have been killed and hundreds of others wounded by Israeli forces as thousands marched near Gazainfo-icon's border with Israelin a major demonstration marking the 42nd anniversary of Land Day. 

Mohammed Najjar, 25, was shot in the stomach in a clash east of Jabalia in the northern Gaza Strip, while Mahmoud Muammar, 38, and Mohammed Abu Omar, 22, were both shot dead in Rafah, the Palestinian healthinfo-icon ministry said in a statement on Friday. 

The other six victims were identified as Ahmed Oudeh, 19, Jihad Freneh, 33, Mahmoud Saadi Rahmi, 33, Abdelfattah Abdelnabi, 22, Ibrahim Abu Shaar, 20, and Iyad Abdelal, whose age remains unknown. 

Earlier on Friday, Omar Waheed Abu Samour, a farmer from Gaza, was also killed by Israeli artillery fire while standing in his land near Khan Younis, just hours before the demonstrations. 

There has been no confirmation from the Israeli armyinfo-icon of the attack that killed Samour. 

More than 1,000 Palestinians were also wounded after Israeli forces fired live ammunition at protesters and used tear gas to push them back from a heavily fortified fence, according to the Palestinian Red Crescent.  

Protesters in Gaza gathered in five different spots along the border, originally positioned about 700 metres away from the fence. 

Adalah, a legal centre for Palestinian rights in Israelinfo-icon, condemned the Israeli forces' use of force, calling it a violation of international law. 

"Live gunfire on unarmed civilians constitutes a brutal violation of the international legal obligation to distinguish between civilians and combatants," the group said in a statement.

It also said that it would launch an investigation to "demand that those found responsible for the killings be brought to justice". 

Land Day

Friday's demonstration commemorates Land Day, which marks the day - March 30, 1976 - when six unarmed Palestinian citizens of Israel were killed by Israeli forces during protests against the Israeli government's decision to expropriate massive tracts of Palestinian land.

According to Israeli mediainfo-icon, Israel's army deployed more than 100 snipers on the other side of the border with permission to fire. 

The march was called for by all political factions and several Palestinian civil society organisations in the besieged enclave.

Protesters said the main message of the march was to call for the right of return for Palestinian refugees.

Some 70 percent of Gaza's two million population are descendants of Palestinians who were driven from their homes in the territories taken over by Israel during the 1948 warinfo-icon, known to Arabs as the Nakba. 

Speaking to the protesters, Hamas leader Ismail Haniya said: "The Palestinian people have proved time after time that they can take the initiative and do great things. This march is the beginning of the return to all of Palestineinfo-icon."

Friday's protest also kicked off a six-week sit-in demonstration along the border leading up to the commemoration of the Nakba on May 15.

It is expected that the United Statesinfo-icon will be transferring its embassy from Tel Aviv to Jerusaleminfo-icon around the same time, following President Donald Trumpinfo-icon's declaration of Jerusalem as the capital of Israel in December 2017.