Israeli and Egyptian ceasefire negotiators are in talks about an electronic surveillance system along the border between Gaza and Egypt that could allow Israel to pull back its troops from the area if a ceasefire is agreed, according to two Egyptian sources and a third source familiar with the matter told news agency Reuters.
The question of whether Israeli forces stay on the border is one of the issues blocking a potential ceasefire deal because both Hamas and Egypt, a mediator in the talks, are opposed to Israel keeping its forces there.
Israel says that if its troops leave the border zone, referred to by Israel as the Philadelphi corridor, Hamas' armed wing could smuggle in weapons and supplies from Egypt into Gaza via tunnels that would allow it to re-arm and again threaten Israel.
A surveillance system, if the parties to the negotiations agree on the details, could therefore smooth the path to agreeing a ceasefire - though numerous other stumbling blocks remain.
Discussions around a surveillance system on the border have been reported before, but Reuters is reporting for the first time that Israel is engaging in the discussions as part of the current round of talks, with a view to pulling back forces from the border area.
The source familiar with the matter, who spoke on condition of anonymity, said the discussions are about "basically sensors that would be built on the Egyptian side of the Philadelphi (corridor)."
"The idea is obviously to detect tunnels, to detect any other ways that they'd be trying to smuggle weapons or people into Gaza. Obviously this would be a significant element in a hostage agreement."
Asked if this would be significant for a ceasefire deal because it would mean Israeli soldiers would not have to be on the Philadelphi corridor, the source said: "Correct."
After Reuters published this article, the office of Israeli Prime Minister Benjamin Netanyahu issued a statement saying it was "absolute fake news" that Israel is discussing withdrawing from the Philadelphi corridor.
"The prime minister insists that Israel remain on the Philadelphi corridor. He has instructed the negotiating teams accordingly, made this clear to US representatives this week, and updated the Security Cabinet to this effect last night," the statement said.