The controversial US and Israeli-backed aid distributor in Gaza has accused Hamas of a deadly attack on a bus carrying Palestinians working with the organisation.
The Gaza Humanitarian Foundation (GHF) has said at least five aid workers were killed and it fears some team members “may have been taken hostage”.
The aid organisation also said multiple people were injured in the alleged attack.
In a statement, the GHF has said the bus was carrying more than two dozen people working with the organisation when it was targeted at 10pm Gaza time (8pm UK time) on Wednesday.
The GHF said those in the bus were “local Palestinians” working with the organisation to “deliver critical aid”.
“At the time of the attack, our team was en route to one of our distribution centres in the area west of Khan Younis”, the GHF added.
It continued in its statement: “We are still gathering facts, but what we know is devastating: there are at least five fatalities, multiple injuries, and fear that some of our team members may have been taken hostage.
“We condemn this heinous and deliberate attack in the strongest possible terms. These were aid workers.”
The GHF also said in its statement that Hamas has in recent days been threatening members of the organisation, including aid workers, and civilians who have been receiving the aid.
The organisation said it holds Hamas fully responsible for “taking the lives of our dedicated workers who have been distributing humanitarian aid to the Palestinian people at the foundation’s sites in central and southern Gaza”.
“Tonight, the world must see this for what it is: an attack on humanity. We call on the international community to immediately condemn Hamas for this unprovoked attack and continued threat against our people simply trying to feed the Palestinian people,” the GHF said.
“We will release additional information once it becomes available. Despite this heinous attack, we will continue our mission to provide critical aid to the people of Gaza.”
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The alleged attack came hours after health officials in Gaza said at least 25 Palestinians were killed by Israeli gunfire at a GHF site close to the former settlement of Netzarim, near Gaza City.
Medical officials at Shifa and al Quds hospitals say the people were killed as they approached the site.
Gaza’s health ministry said earlier this week that around 160 people have been killed in shootings near aid sites run by the GHF since they began distributing aid on 26 May.
However, the GHF has said there has been no violence in or around the distribution centres themselves.
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From 3 June: Shots fired as aid distributed in Gaza
Why is the aid system controversial?
Israel and the US have said the GHF system is aimed at preventing Hamas from siphoning off assistance.
Israel has not provided any evidence of systematic diversion, and the UN denies it has occurred.
The foundation’s distribution of aid has been marred by chaos, and multiple witnesses have said Israeli troops fired on crowds near the delivery sites.
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UN agencies and major aid groups have refused to work with the new system, saying it violates humanitarian principles because it allows Israel to control who receives aid and forces people to relocate to distribution sites, risking yet more mass displacement in the territory.
Jake Wood, a former US marine, resigned as head of the GHF in May before it began distributing aid in Gaza over concerns about is independence.
Mr Wood said the foundation cannot adhere to the “humanitarian principles of humanity, neutrality, impartiality, and independence, which I will not abandon”.