Since our investigation the RSF have posted a video purporting to show the arrest of Abu Lulu - the man BBC Verify identifed carrying out executions of unarmed men in el-Fasher.

Footage shows trucks arriving at Shala Prison on the outskirts of the city.

The IDF didn't address the allegations when approached by BBC Verify, stating simply that: "IDF troops under the Southern Command have begun marking the Yellow Line in the Gaza Strip to establish tactical clarity on the ground."

Multiple experts suggested the blocks were intended to create a "buffer zone" between Palestinians and IDF troops.

"This gives the IDF space to manoeuvre and create a 'kill zone' against potential targets" @andreaskrieg.bsky.social

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Israeli troops have been marking the "yellow line" with physical blocks.

But we found in some parts they’re 100s of metres deeper inside the strip than Israel's own map released after the ceasefire deal.

The IDF didn't address the allegations when approached by BBC Verify, stating simply that: "IDF troops under the Southern Command have begun marking the Yellow Line in the Gaza Strip to establish tactical clarity on the ground."

Multiple experts suggested the blocks were intended to create a "buffer zone" between Palestinians and IDF troops.

"This gives the IDF space to manoeuvre and create a 'kill zone' against potential targets"
@andreaskrieg.bsky.social