Amnesty International accused the state of Israel of committing genocide in the Gaza war in a report published Thursday, an allegation Israel angrily denied.

The London-based human rights group said it reached the conclusion after months of analyzing incidents and statements of Israeli officials. Amnesty said the legal threshold for the crime had been met, in its first such determination during an active armed conflict.

The 1948 Genocide Convention, enacted in the wake of the mass murder of Jews in the Nazi Holocaust, defines genocide as "acts committed with intent to destroy, in whole or in part, a national, ethnical, racial, or religious group."

Israel has repeatedly rejected any accusation of genocide, saying it has respected international law and has a right to defend itself after the cross-border Hamas attack from Gaza on Oct. 7, 2023 that precipitated the war.

"The deplorable and fanatical organization Amnesty International has once again produced a fabricated report that is entirely false and based on lies," Foreign Ministry spokesperson Oren Marmorstein wrote on X.

Israel launched its air and ground war in Gaza after Hamas-led fighters attacked Israeli communities across the border 14 months ago, killing 1,200 people and taking over 250 hostages back to Gaza, according to Israeli tallies.

"The genocidal massacre on Oct. 7, 2023, was carried out by the Hamas terrorist organization against Israeli citizens," Marmorstein said.

Gaza's Hamas terrorist-run Health Ministry says Israel's military campaign since then has killed more than 44,500 Palestinians and injured many others.

Palestinian and U.N. officials say there are no safe areas left in Gaza, a tiny, densely populated and heavily built-up coastal territory. Most of Gaza's 2.3 million people have been internally displaced, some as many as 10 times.

Amnesty's report came just two weeks after the International Criminal Court issued arrest warrants for Israeli Prime Minister Benjamin Netanyahu and his former defense chief for alleged war crimes and crimes against humanity in the Gaza conflict. They have both denied the allegations.

'There Is No Doubt'

Presenting the report to journalists in The Hague, Amnesty International Secretary General Agnes Callamard said the conclusion had not been taken "lightly, politically, or preferentially."

She told journalists after the presentation: "There is a genocide being committed. There is no doubt, not one doubt in our mind after six months of in-depth, focused research."

Amnesty said it concluded that Israel and the Israeli military committed at least three of the five acts banned by the 1948 Genocide Convention, namely killings, causing serious bodily or mental harm, and deliberately inflicting conditions of life calculated to bring about a protected group's physical destruction.

These acts were done with the intent required by the convention, according to Amnesty, which said it reviewed over 100 statements from Israeli officials.

The Israeli military accuses Hamas of planting terrorists within populated neighborhoods for operational cover, which Hamas denies, while accusing Israel of indiscriminate strikes.

Callamard said Amnesty had not set out to prove genocide but after reviewing the evidence and statements collectively, she said the only conclusion was that "Israel is intending and has intended to commit genocide."

She added: "The assertion that Israel's war in Gaza aims solely to dismantle Hamas and not to physically destroy Palestinians as a national and ethnic group, that assertion simply does not stand up to scrutiny."

Amnesty urged the ICC prosecutor to investigate alleged genocide. The office of the prosecutor said in a statement that it is continuing investigations into alleged crimes committed in the Palestinian territories and is unable to provide further comment.