Euro-Med Monitor, an international human rights group based in Geneva, has collected evidence of a further four cases where Israeli paramedics violated the Geneva Conventions by denying Palestinians treatment.
They include Ahmed Manasreh, a 13-year-old Palestinian accused of a stabbing attack in East Jerusalem last October. Videos show a Magen David Adom ambulance driving past Manasreh as he lay bleeding in the street, having earlier been run down by an Israeli vehicle.
Evidence of denial of treatment is likely to add to the pressure on two global organizations -- the World Medical Association, and the International Committee of the Red Cross -- to investigate the actions of their Israeli partner organizations.
A group of UK doctors launched a campaign earlier this year demanding that the World Medical Association expel the Israeli Medical Association for failing to act against Israeli doctors involved in the torture of Palestinians.
A number of reports by human rights groups suggest that, in violation of medical ethics, Israeli doctors are treating Palestinians who have been tortured in Israel's prisons and interrogation centres. The documented abuses range from physical and sexual assaults.
A spokesman for the World Medical Association told Al-Jazeera it was not aware of the allegations and would be discussing them with the Israeli Medical Association.
The International Committee of the Red Cross said Magen David Adom was an "independent" emergency service and any issues would be "addressed internally" by the movement.
Mustafa Barghouti, a Palestinian politician and physician, said there was overwhelming evidence that Israeli ambulance crews were "consistently and systematically" denying treatment to wounded Palestinians.
"Israel should be removed from the [International Committee of the] Red Cross for these violations until it is prepared to follow internationally accepted codes of conduct," said Barghouti.
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