HAMILTON, Canada The US admitted Tuesday that humanitarian efforts in the Gaza Strip remain insufficient, while warning that significant gaps in aid access persist. "Absolutely, more work is needed. We have a long way to go," US envoy Mike Waltz told the UN Security Council, even as he cited what he described as meaningful progress in aid delivery. "Those who live in the region need cleaner, more durable housing and health services," he said, adding that Washington is "working daily with our