Fadi Al-Dairi, operations director at Hand in Hand for Syria, told ITV News it is "a big problem for us to get aid inside" the war-torn country.
He said: "We need to be able to enter aid more quickly. Everyone was quick enough to say 'let's go with the bombing' and if instead of going for bombing in Syria, why don't you give us some of the money you were going to spend on the war and then we could deliver aid inside."
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Two other men missing on Scotland's hills this winter have yet to be found.
The decision was made after two Russian athletes failed drugs tests at the PyeongChang Games.
Sunday will be dry and largely sunny, although there will be some patchy cloud, mainly across eastern Scotland and eastern England.