International outcry over images of emaciated children and increasing reports of hunger-related deaths have pressured Israel to let more aid into the Gaza Strip.

The European Union is considering partially suspending Israeli access to funding under its flagship research programme, in what would be the bloc's first action taken against Israel in response to its actions in Gaza.

"The tragedy is that Israel is getting the blame for the lack of humanitarian care, when the fact is, it's Hamas that started the war," Mike Huckabee said.