New Delhi, July 21 -- Gaza saw its deadliest day yet for aid-seekers in over 21 months of war as at least 85 Palestinians were killed while trying to reach food on Sunday, the territory's Health Ministry said.

There was new alarm as Israel's military issued evacuation orders for parts of central Gaza, one of the few areas where it has rarely operated with ground troops and where many international organizations trying to distribute aid are located. One group said several offices were told to evacuate immediately. There was no immediate Israeli comment.

The largest death toll was in devastated northern Gaza, where living conditions are especially dire. At least 79 Palestinians were killed while trying to reach aid entering through the Zi...