The Israeli military carried out strikes in the Gaza Strip on Sunday after accusing Hamas of repeatedly violating the ceasefire agreement, an Israeli official told Fox News.
An Israeli military official confirmed the strikes to Fox News on Sunday and pointed to attacks by Hamas that began on Friday.
The official said the attacks on Israeli forces occurred beyond the line behind which Israel had withdrawn under the terms of the agreement.
“The terror organization Hamas carried out multiple attacks against Israeli forces beyond the yellow line. The attacks included an RPG shot at a military force, and a sniper fire against a military force,” the official told Fox News in a statement.
“Both of the incidents happened in an Israeli-controlled area, east to the yellow line. This is a bold violation of the ceasefire,” the official added.
Israeli forces responded by striking targets in both the northern and southern sectors of the Gaza Strip, military and local sources reported.
Officials did not provide a full list of the sites hit or detail the extent of damage and casualties in the immediate aftermath.
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The reported attacks on Israeli troops followed days of internal fighting in Gaza between Hamas and rival Palestinian armed groups after the ceasefire took effect.
Reuters reported that Hamas executed at least 33 people in recent days in what officials described as a campaign to “show strength” following the halt in broader hostilities.
Israeli sources said most of those killed were members of families accused of collaborating with Israel or of supporting rival militias.
The U.S. Department of State issued a warning on Saturday that Hamas might break the peace agreement with a planned attack on Palestinian civilians.
“This planned attack against Palestinian civilians would constitute a direct and grave violation of the ceasefire agreement and undermine the significant progress achieved through mediation efforts,” the department said in a statement on social media.
“The guarantors demand Hamas uphold its obligations under the ceasefire terms.”
“The United States and the other guarantors remain resolute in our commitment to ensuring the safety of civilians, maintaining calm on the ground and advancing peace and prosperity for the people of Gaza and the region as a whole,” the statement continued.
President Donald Trump also issued a public warning on Friday aimed at Hamas.
Writing on Truth Social, he said: “If Hamas continues to kill people in Gaza, which was not the deal, we will have no choice but to go in and kill them.”
Israeli military statements and the U.S. warning reflect concern among guarantors of the ceasefire that isolated incidents could escalate into wider violence.
The ceasefire terms included specific withdrawal lines intended to separate Israeli forces from designated Gazan areas; Israeli officials maintain the actions they cited crossed those boundaries.
Local Gaza health authorities and media outlets reported strikes in populated areas, but casualty counts were not immediately verifiable.
Access constraints in Gaza and restrictions on independent observers complicate efforts to confirm battlefield developments and the identities of those killed or wounded.
Hamas officials did not immediately issue a public response to the Israeli military’s account or to the U.S. Department of State’s warning.
Rival Palestinian groups engaged in clashes with Hamas since the ceasefire began, according to multiple local reports, increasing tensions within Gaza even as outside mediators sought to stabilize the situation.
International mediators brokered the ceasefire with the stated aim of halting large-scale hostilities and reducing harm to civilians on both sides.
The guarantors named by the State Department have urged all parties to adhere to the terms and to pursue steps that would prevent further civilian suffering.