Iranian President Ebrahim Raisi said his country fully supports Palestinian resistance against Israel.

In a statement Sunday, a day after the Gaza-based resistance group Hamas launched what it calls "Operation Al-Aqsa Deluge" against Israel, Raisi said Iran was bringing its support for the “self-defense of the Palestinian nation”.

According to the latest report, at least 700 Israelis have been killed in this conflict, while the number of deaths on the Palestinian side stands at 370, according to official sources.

Iran's president accused Israel and its allies of "compromising the security" of countries in the region, saying they must be held accountable.

He called on Muslim countries to support the Palestinian nation, stressing that oppression and injustice, insults against Palestinian women and prisoners and the desecration of the Al-Aqsa Mosque "will not last."

He added that the "Zionist enemy," referring to Israel, should realize that "the equation has changed" and that the Palestinians are "in a winning position."

In a statement released after Raisi's statements, Hamas claimed that the Iranian president had given his support to the Palestinians during a telephone conversation with the movement's leader, Ismail Haniyeh.

Iranian Foreign Ministry spokesman Nasser Kanaani congratulated Hamas on Saturday for "opening a new page of resistance," saying it demonstrated Israel's "fragility."

He said the latest operation had once again proven that Israel's invincibility was "pure pretension," adding that Israel "has always faced failure and humiliation" whenever it he attempted to carry out an operation in the Gaza Strip.

Major General Yahya Rahim Safavi, top military adviser to Iran's Supreme Leader Ayatollah Ali Khamenei, also expressed Iran's support for Palestinian resistance.

“We will remain alongside the Palestinian mujahideen until the liberation of Palestine and Al-Quds,” the former head of the Islamic Revolutionary Guard Corps (IRGC) declared on Saturday.

On Saturday evening, thousands of people took to the streets of Tehran to celebrate the operation carried out by the Palestinians against Israel.

The largest gathering took place in Palestine Square in central Tehran, where onlookers danced and lit fireworks.

Iran and Israel are sworn enemies and have had no diplomatic ties since the 1979 Iranian revolution. The two sides have often accused each other of sabotage and indirect attacks.