"Civilians must be taken into account, and humanitarian law is fully aware of that. I believe that the line has now been far exceeded by Israel," Støre told public broadcaster NRK in an interview.
Norwegian PM added that his primary concern is that emergency aid is not getting into the Gaza Strip.
“It’s a catastrophic situation, and I believe it is clearly in violation of what we call the rules of war or humanitarian law,” he said.
"Many fear that the escalation we are now seeing could ignite a much bigger conflict in the region, and obviously a much more lasting conflict."
Norway on Friday voted in favour of the United Nations resolution calling for a "humanitarian truce" leading to a cessation of the Israeli aggression on the strip.
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