A UN spokesperson says no humanitarian aid has been distributed so far in Gaza.
A branch of the Israeli military says 93 aid trucks have entered Gaza after an 11-week blockade, but reports are that supplies haven't arrived at UN warehouses and delivery points from the crossing.
The UK says it has suspended trade talks with Israel, but the foreign secretary tells parliament the war has entered a dark new phase.
The EU has ordered a review of its free trade agreement with Israel and says saving lives must be their top priority.