The Syrian Arab Red Crescent is the only body authorised to distribute food supplies.

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In addition, the Syrian Arab Red Crescent has had to suspend some of its activities.

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Meanwhile, the conflict claimed more lives on Tuesday, including a member of the Syrian Arab Red Crescent.

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The Syrian Arab Red Crescent had suspended most of its activities due to the danger, she said.

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The Syrian Arab Red Crescent had also helped with the logistics of the operation, the UN agency added.

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She is expected to ask for more visas for foreign aid workers as the Syrian Arab Red Crescent struggles to distribute food.

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"Though the ICRC and the Syrian Arab Red Crescent are doing everything possible to assist civilians affected by the violence, it is up to the parties to the conflict to take every feasible measure to spare the civilian population the effects of the fighting, " said Marianne Gasser, the head of the ICRC delegation in Syria.

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