Hamas names Yahya Sinwar, one of the architects of the Oct. 7 terror attack, as head of political bureau

By Kareem Khadder, Tim Lister, Abeer Salman, Eyad Kourdi and Tara John, CNN

(CNN) — Hamas has named Yahya Sinwar – its leader in Gaza and one of the planners of the October 7 terror attack on Israel – as the new head of its political bureau, following the assassination of Ismail Haniyeh last week.

In a statement Tuesday, the group announced “the selection of Commander Yahya Sinwar as head of the movement’s political bureau, succeeding the martyred leader Ismail Haniyeh, may God have mercy on him.”

Israel has publicly accused Sinwar of being the “mastermind” behind Hamas’ terror attack against Israel on October 7 – though experts say he is likely one of several – making him one of the key targets of its war in Gaza.

He has remained at large in the vast warren of tunnels trenched beneath Gaza, moving frequently and possibly surrounded by hostages as human shields, US officials believe.

Sinwar’s predecessor Haniyeh was assassinated in Tehran last week, raising fears that Israel’s conflict with Hamas and its allies could develop into a multi-front, fully-fledged war in the Middle East. While the Iranian government and Hamas say that Israel carried out the assassination, Israel has neither confirmed nor denied its involvement.

In response to Sinwar’s selection, Israel Defense Forces (IDF) spokesman Daniel Hagari told the Saudi network Al Arabiya, “There’s only one place we are designating for Yahya Sinwar, and that’s right next to Mohammed Deif and all the other terrorists who are responsible for October 7 [attacks]. It’s the only place we are preparing and designating for him.”

Israel said last week that Hamas’ military chief Deif, was killed in a strike it carried out in southern Gaza last month – a report Hamas has neither confirmed nor denied.

Two of Hamas’ principal allies – Hezbollah and Palestinian Islamic Jihad – have welcomed Sinwar’s new role. Hezbollah, the Iranian-backed Lebanese militant group, said the choice of Sinwar “confirms that the objectives sought by the enemy through the assassinations of leaders and officials have failed to achieve their goals.”

‘Not good news regarding the deal’

Becoming Hamas’ political leader consolidates Sinwar’s power within the movement, but could also cast uncertainty on next steps for ceasefire and hostage negotiations with Israel.

Basem Naim, a member of Hamas’ political bureau told CNN late Tuesday that the selection of Sinwar to replace Haniyeh means, “you [Israel] chose to assassinate those who negotiate, and we chose those who can oblige you to sign the agreement,” he said.

And one man who spent many years in Israeli prisons with Sinwar, Esmat Mansour told CNN that his new role spells trouble for any future deal.

“As far as Israel is concerned, this is not good news regarding the deal, because it has considered the military wing and Sinwar to be the hardliners,” he said. “It’s Sinwar who holds the captives. Now all decisions are within his authority, the military as well as the political decisions, and the decision [whether to hold] negotiations.”

He added that Sinwar’s close relationship with Iran could mean other negotiating parties, like Qatar and Turkey, which have good relations with the United States, may “lose their ability to influence the deal, or at least weaken their ability to influence.”

Analysts say that while Sinwar’s viewpoint has always been critically influential in the negotiations, his difficulty in communicating with the outside world means that the details of negotiating with mediators from Qatar and Egypt have fallen to other Hamas officials, led by Haniyeh until his assassination last week.

“Even though Sinwar was not physically at the negotiating table with the mediators, he has been consulted at every critical juncture in the negotiations,” CNN’s Jeremy Diamond said Tuesday.

“That often contributed to delays in the negotiations, with it sometimes taking days for messages to reach him and for his response to be received by Hamas officials in Qatar or Cairo.”

‘Returned the decision-making to Gaza’

A longtime figure in the Islamist Palestinian group, Sinwar was responsible for building up Hamas’ military wing before forging important new ties with regional Arab powers as the group’s civilian and political leader.

He was elected to Hamas’ main decision-making body, the Politburo, in 2017 as the political leader of Hamas in Gaza branch. However, he has since become the Politburo’s de facto leader, according to research by the European Council on Foreign Relations (ECFR).

He has been designated a global terrorist by the US Department of State since 2015, and was sanctioned by the United Kingdom and France.

Mansour told CNN that “Sinwar is a unifying name, there is consensus on that name internally for Hamas…They need a unified movement. Symbolically and politically Sinwar unifies the movement.”

Mansour said that other candidates who might have been in the frame would have run into opposition from Hamas’ international allies. “Sinwar has returned the decision-making to Gaza, and in this way they get rid of pressure from the host countries,” Mansour said.

At the same time “because he’s on the run, it means that the leadership will be collective,” meaning that other Hamas figures would have leading roles, Mansour said.

Some analysts say that Sinwar’s elevation now blurs or even extinguishes the distinction between Hamas’ political and military wings.

Devorah Margolin of the Washington Institute, who studies Hamas, posted on X that: “Prior to Oct 7, Hamas long tried to differentiate between its political and military wings. Today’s decision to announce Yahya Sinwar – [who] masterminded the Oct. 7 attacks – as the new politburo chief ends all misconceptions surrounding the group’s structure.”

Abu Hein said that Sinwar appointment as Hamas’ political leader “signifies, firstly, that the Palestinian cause is in a very dangerous stage, especially with the ongoing war on Gaza. Secondly, it shows that Hamas is a crucial player in the Palestinian arena on the international level.”

This is a developing story and will be updated.

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