JERUSALEM (AP) -- Israeli Defense Minister Avigdor Lieberman abruptly resigned his post Wednesday in protest over a cease-fire reached with Gaza militants, in a move that rocked the Israeli political scene and seemed likely to bring about early elections.
Lieberman termed the cease-fire ending two days of intense fighting "surrender to terrorism," and said he could no longer serve a government that endorsed it. Lieberman had demanded a far stronger Israeli response to the most intense round of rocket fire against Israel since a 50-day war in 2014, but appeared to have been overruled by Prime Minister Benjamin Netanyahu.
His resignation delivers a major blow to Netanyahu's coalition government and sparked immediate calls for early elections. Lieberman said he hoped that in the coming days a date would be set for a new vote. The opposition parties joined his call.
The government could technically survive without Lieberman's Yisrael Beiteinu faction. But with elections currently set for November 2019, it's unlikely to last that long in lame-duck form.
Lieberman's resignation will take effect in 48 hours and Netanyahu will take over on an interim basis.
Residents of southern Israel had greeted news of the cease-fire with anger as dozens of protesters in the rocket-battered town of Sderot chanted "Disgrace!" at what they saw as the government's capitulation to violence and its inability to provide them with safety.
Recent months have seen sporadic rocket attacks as well as militant infiltration attempts and a wave of incendiary kites that have destroyed Israeli crops.
Netanyahu presented the decision to step back from a full-blown conflict as a unified one made by his Security Cabinet and based on the military's recommendations. But Lieberman and Education Minister Naftali Bennett, another hard-line member of the Security Cabinet, later expressed reservations, saying they favored a stronger response.
Netanyahu defended his actions at a memorial ceremony for Israel' first prime minister, David Ben-Gurion.
"I see the big picture of Israeli security that I cannot share with the public," he said. "Our enemies begged for a cease-fire and they know well why. I cannot detail our plans for the future. We will dictate the time and circumstances that are right for Israel and are right for the security of our people."
"In times like these, leadership is not doing the easy thing. Leadership is doing the right thing, even if it is hard. Leadership is sometime facing criticism," he added.
The Israel-Gaza frontier remained quiet overnight. Palestinian militants had fired 460 rockets and mortars into Israel in a 24-hour period, while the Israeli military carried out airstrikes on 160 Gaza targets. Seven Palestinians, including five militants, were killed. In Israel, one person was killed in a rocket strike and three were critically wounded.
With air raid sirens wailing throughout southern Israel and the explosions of airstrikes thundering in Gaza, the two sides had appeared to be on the verge of their fourth war in a decade. Instead, Gaza's Hamas rulers abruptly announced a cease-fire and Israel's Security Cabinet ended a seven-hour discussion with an apparent decision to hold its fire.
The news was greeted with celebrations in Gaza, with Hamas declaring victory in the latest round of violence, which was triggered by a botched Israeli raid on Sunday that left seven Palestinian militants and a senior Israeli military officer dead.
Hamas has staged near-weekly border protests since March in an effort to lift the Israeli-Egyptian blockade imposed after the Islamic militant group seized control of the coastal strip in 2007. The blockade has ravaged Gaza's economy, and Israel refuses to lift it unless Hamas disarms, a demand rejected by militant group, which is pledged to Israel's destruction.
Demonstrators each week have approach the border fence, throwing firebombs, grenades and burning tires at Israeli troops. Israeli snipers have killed about 170 people, most of them unarmed. Israel says it is defending its border against attackers, but it has come under heavy international criticism for shooting unarmed people.
Before Sunday's raid, Egyptian and U.N. mediators had made progress in reducing tensions. In recent days, Israel had allowed fuel shipments to increase the power supply in Gaza, which suffers from frequent blackouts, and agreed to additional Qatari assistance to allow Hamas to pay the salaries of its thousands of government workers.
The standoff has produced repeated rounds of violence in recent years, including indiscriminate Gaza rocket fire at Israeli towns and cities and punishing Israeli military offensives, but Hamas remains firmly in control.
"We are third-class citizens here in Sderot and the communities on the border with Gaza," complained David Maimon, a local resident. "It's a shame. Instead of helping us and letting us live quietly, they let us suffer."
The current round of violence began when an Israeli commando unit on an undercover mission was caught behind enemy lines in Gaza by Hamas militants, setting off a deadly battle late Sunday. Hamas and other militant groups responded with a wave of rocket attacks the following day.
The Israeli military said its jets struck several "key strategic" Hamas targets in response, including military compounds, rocket launching posts and part of its vast underground tunnel network. Also targeted were Hamas' TV station and a Gaza City building serving Hamas' military and intelligence forces that houses a munitions warehouse.