Israel and Iran trade strikes early Monday.

People fear a wider regional war.

Israel hits central and western Iran.

It acts after missile fire from Tehran.

Iran answers with waves of attacks.

Air defenses work in central Israel.

Missile sirens sound in Jordan.

Yemen’s Houthi rebels also say they fire at Israel.

They also say they will target Israel-linked ships in the Red Sea.

Iran’s Revolutionary Guard says it hits two military bases in Israel.

It calls this Operation Nasr, or “Victory.”

It says the attack follows Israeli strikes on radar sites in three areas of Iran.

Iranian state media reports explosions in several cities.

These cities include Isfahan, Karaj, Tabriz and Tehran.

Iran also closes the airspace around Tehran’s main airport.

The fighting comes on the 100th day of the Iran war.

It comes after a nominal ceasefire on April 8.

The conflict stays unstable.

Tensions over the Strait of Hormuz add to this.

Hezbollah fighting adds to this too.

Iran’s uranium stockpile adds to this too.

Regional officials say Egypt, Saudi Arabia, Turkey, Pakistan and Qatar act now.

They try to keep the ceasefire.

They also try to stop more fighting.

The Houthis say their new threats put many places at risk.

They name the Red Sea, the Gulf of Aden and the Bab el-Mandeb Strait.

Their attacks during the Gaza war already hurt shipping.

They also hurt the Suez Canal.

In the United States, a senior official says Donald Trump speaks to Benjamin Netanyahu.

The official says Trump urges him not to retaliate immediately.

Trump says he wants Iran to stop firing.

He also says he wants Iran to return to talks.