BEERSHEBA, Israel (AP) 鈥 A tentative truce faltered Tuesday when Israel accused Iran of launching missiles into its airspace after the ceasefire was supposed to take effect and vowed to retaliate.

Iran鈥檚 military , state media reported 鈥 but explosions boomed and sirens sounded across northern Israel midmorning, and an Israeli military official said two Iranian missiles were intercepted.

The conflict, now in its 12th day, targeting Iranian nuclear and military sites, saying it could not allow Tehran to develop atomic weapons 鈥 and that it feared the Islamic Republic was close. Iran has long maintained that is peaceful.

Many worried the war might widen after the U.S. by dropping bunker-buster bombs over the weekend and Israel expanded the kinds of targets it was hitting.

But after Tehran on a U.S. military base in Qatar on Monday, U.S. President Donald Trump announced a ceasefire.

Both sides accepted the agreement, but it is now unclear if it will hold.

鈥淭ehran will tremble,鈥 Israeli Finance Minister Betzalel Smotrich warned on X, raising the specter that the war might continue.

Israel accuses Iran of violating the truce. Iran denies that

An Israeli military official who spoke on the condition of anonymity in line with military regulations said Iran launched two missiles at Israel hours into the tenuous ceasefire. Both were intercepted, the official said.

Iranian state television reported that the military denied firing missiles after the start of the ceasefire 鈥 while accusing Israel of conducting strikes. It offered no evidence to support the claim of Israeli fire, with the last reports of such attacks coming before dawn.

Part of the difficulty in sorting out the competing claims was that Trump's social media post announcing the ceasefire said Iran would begin holding its fire hours earlier than Israel. He later, however, announced that the ceasefire was in effect, even though the window he initially gave for Israel had not yet closed.

After accusing Iran of violating the ceasefire, Israeli Defense Minister Israel Katz instructed Israel鈥檚 military to resume 鈥渢he intense operations to attack Tehran and to destroy targets of the regime and terror infrastructure.鈥

Breakthrough declared by Trump wobbles in initial hours

Prime Minister Benjamin Netanyahu said Israel had agreed to a bilateral ceasefire with Iran in coordination with Trump, while pledging to respond to any subsequent violation.

He said that Israel had achieved all of its war goals, including removing the threat of Iran鈥檚 nuclear and ballistic missile programs.

An announcement on Iranian state TV later said the ceasefire was in effect. So did Trump, who posted: 鈥淭HE CEASEFIRE IS NOW IN EFFECT. PLEASE DO NOT VIOLATE IT!鈥

Iranian Foreign Minister Abbas Araghchi said that his country would not fire at Israel if it was not fired upon, but that a "final decision on the cessation of our military operations will be made later.鈥

To secure the ceasefire, Trump had communicated directly with Netanyahu, according to a senior White House official who insisted on anonymity to discuss the Monday talks. Vice President J.D. Vance, Secretary of State Marco Rubio and special envoy Steve Witkoff communicated with the Iranians through direct and indirect channels.

The White House has maintained that the U.S. bombing helped get the Israelis to agree to the ceasefire and that the Qatari government helped to broker the deal.

It鈥檚 unclear what role Ayatollah Ali Khamenei, Iran鈥檚 leader, played in the talks. He said earlier on social media that he would not surrender.

Deal announced after hostilities spread

The shaky ceasefire came after hostilities spread further across the region.

Israel鈥檚 military said Iran launched 20 missiles toward Israel before the ceasefire began on Tuesday morning. Police said they damaged at least three densely packed residential buildings in the city of Beersheba. First responders said they retrieved four bodies from one building and were searching for more. Earlier, the Fire and Rescue service said five bodies were found before revising the number downward. At least 20 people were injured.

Outside, the shells of burned out cars littered the streets. Broken glass and rubble covered the area. Police said some people were injured while inside their apartments鈥 reinforced safe rooms, which are meant to withstand rockets but not direct hits from ballistic missiles.

Iran launched a limited missile attack Monday on a U.S. military base , retaliating for earlier . The U.S. was warned by Iran in advance, and there were no casualties.

Drones attacked military bases in Iraq overnight, including some housing U.S. troops, the Iraqi army and a US military official said Tuesday.

A senior U.S. military official, who spoke on condition of anonymity because he was not authorized to comment publicly, said U.S. forces had shot down drones attacking Ain al-Assad in the desert in western Iraq and at a base next to the Baghdad airport, while another one crashed.

No casualties were reported and no group claimed responsibility for the attacks in Iraq. Some Iran-backed Iraqi militias had previously threatened to target U.S. bases if the U.S. attacked Iran.

Conflict has killed hundreds

In Israel, at least 28 people have been killed and more than 1,000 wounded in the war. Israeli strikes on Iran have killed at least 974 people and wounded 3,458 others, according to the Washington-based group Human Rights Activists.

The group, which has provided detailed casualty figures from Iranian unrest, said of those killed, it identified 387 civilians and 268 security force personnel.

The U.S. has evacuated some 250 American citizens and their immediate family members from Israel by government, military and charter flights that began over the weekend, a State Department official said.

There are roughly 700,000 American citizens, most of them dual U.S.-Israeli citizens, believed to be in Israel.

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Gambrell reported from Dubai, United Arab Emirates, and Lidman reported from Tel Aviv, Israel. Associated Press writers Josef Federman in Jerusalem, Qassim Abdul-Zahra in Baghdad, Abby Sewell in Beirut and Amir Vahdat in Iran contributed to this report.

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