More than 640,000 displaced people in Lebanon have returned home, according to the International Organization for Migration (IOM), as clashes between Hezbollah and Israel have wound down following a deal to end the Middle East war.

Yemen's Houthis threatened Saudi airports and vital assets should Riyadh violate its airspace or attempt to attack it, as the rebels accused the kingdom of trying to stop an Iranian plane from landing.

Israeli Prime Minister Benjamin Netanyahu and U.S. President Donald Trump spoke on Friday and agreed to meet "soon" in the United States, the premier's office said.

Mourners beat their chests and chanted "revenge, revenge" as thousands gathered in Tehran early Saturday for a final farewell to slain supreme leader Ayatollah Ali Khamenei.

A bomb went off at a cafe in central Damascus on Thursday, killing at least five people and wounding 16, Syrian authorities said.

The blast took place near the capital's Palace of Justice, a key government building, sparking scenes of panic in the busy area.

President Joseph Aoun defended on Thursday negotiations with Israel, saying they were not a betrayal and he would not surrender "a single inch of Lebanon's territory," according to the presidency.

Israeli Defense Minister Israel Katz said on Wednesday that the Israeli army would remain "until further notice" in what it describes as "security zones" in Lebanon, Syria and the Gaza Strip.

Syrian Foreign Minister Asaad al-Shaibani told Lebanon's president on Thursday that Damascus had no intention of intervening militarily in his country, despite U.S. pressure to do so, according to the Lebanese presidency.

Shaibani, who also invited President Joseph Aoun to Syria, is visiting Beirut, where he met parliament speaker Nabih Berri, a Hezbollah ally, for the first time.

Iran's chief negotiator Mohammad Bagher Ghalibaf called on Thursday for massive turnout at Ali Khamenei's funeral to avenge the supreme leader's death in U.S.-Israeli strikes at the start of the war.

"I invite all the Iranian people... to write a glorious page in the history of Islamic Iran through your presence" at the funeral ceremonies starting Saturday, Ghalibaf said in a statement, adding: "The nation's call for vengeance must ring in the ears of the whole world."

An organization has begun restoring Damascus' main Jewish cemetery, the group's founder told AFP on Tuesday, as members of Syria's dwindling community seek to revive their heritage after ex-ruler Bashar al-Assad's ouster.

U.S. President Donald Trump on Wednesday defended earning around $1.2 billion from his family's cryptocurrency activities last year, saying "everybody's profiting" from his time in power.

"You know why I'm profiting, because the stock market's going up, everybody's profiting," Trump told reporters as he prepared to take his first flight on a new Air Force One plane gifted by Qatar.