BERLIN, March 1 (Reuters) - German Chancellor Friedrich Merz called on U.S. and European partners to start planning for the future of Iran and the region, saying the people of Iran deserved a better future after U.S. and Israeli strikes killed its supreme leader.

Merz said his government agreed with U.S. goals to end Tehran's nuclear armament and finish a "destructive game" being played by Iran, but he warned of possible dangers ahead.

WASHINGTON, March 1 (Reuters) - U.S. President Donald Trump said on Sunday that Iran's new leadership wants to talk to him and that he has agreed, according to an interview with the Atlantic magazine.

"They want to talk, and I have agreed to talk, so I will be talking to them. They should have done it sooner. They should have given what was very practical and easy to do sooner. They waited too long," Trump said in the interview from his Florida residence.

Trump did not specify who he would be speaking with or say whether it would occur on Sunday or Monday.

The gunman who killed two people and wounded 14 overnight in Austin, the capital of the US state of Texas, had expressed "pro-Iranian regime sentiment" on social media, the SITE Intelligence Group said Sunday.

The organization, which monitors jihadist groups, identified the assailant, who was shot dead by police, as Ndiaga Diagne, a US citizen of Senegalese origin. Austin police confirmed that identification Sunday evening.

By AJ Vicens

March 1 (Reuters) - A wave of cyber-enabled operations took place early Saturday morning alongside the joint U.S.-Israeli attack on targets across Iran, according to cybersecurity experts and observers.

The operations included the hacking of multiple news websites to display various messages and the hack of BadeSaba, a religious calendar app with more than 5 million downloads, which displayed messages telling users “It’s time for reckoning” and urging armed forces to give up weapons and join the people.

They moved to the UAE expecting a non-stop VIP experience, but instead Dubai's influencers found themselves under a barrage of Iranian missiles and drones.

Since early on Saturday, foreigners in the United Arab Emirates have been sharing videos of plumes of smoke rising above the skyscrapers and expressing their shock that the usual haven of stability was under attack.

"OMG!" Israeli wellness influencer Hofit Golan exclaims repeatedly in a video that shows a building near her apartment in flames.

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KAPIKOY, Turkey , March 1 (Reuters) - Some Iranian citizens are being stopped from crossing into Turkey at Iran's northwestern Khoy land border gate, according to three foreign passport-holders who crossed on Sunday and some local Turkish media.

A day after the United States and Israel launched attacks on Iran that killed Supreme Leader Ali Khamenei and other senior officials, one of the travellers told Reuters there were increasing numbers of those waiting to cross into Turkey's eastern Van province.

WASHINGTON, March 1 (Reuters) - U.S. President Donald Trump told Fox News on Sunday that 48 leaders have been killed in U.S. and Israeli strikes on Iran.

"It's moving along. It's moving along rapidly. This has been this way for 47 years," he was quoted as saying in an interview with Fox News. "It's moving along rapidly. Nobody can believe the success we're having, 48 leaders are gone in one shot. And it's moving along rapidly."

(Reporting by Bo Erickson and Doina Chiacu; Editing by Paul Simao)

Iranians were experiencing a mix of shock, grief and joy after the death of supreme leader Ayatollah Ali Khamenei as Israeli and US strikes extended into a second day Sunday.

The attacks unleashed on Saturday killed Khamenei and top military leaders and prompted Iranian authorities to retaliate with strikes on Israel and across the Gulf.

At the first reports of Khamenei's death, many Iranians erupted into cheers from apartment buildings in the capital Tehran while others blared car horns and blasted music in the streets.

Shattered glass lay strewn across the streets of a residential area of Tel Aviv on Sunday, the day after an Iranian missile strike left one woman dead, but residents insisted they could withstand further attacks.

The US and Israel launched a wave of strikes against Iran on Saturday, sparking a rapid retaliation from Tehran which continued to send people running to shelters under wailing sirens and overhead blasts on Sunday.

WASHINGTON, March 1 (Reuters) - Three U.S. service members have been killed in action as part of U.S. military operations against Iran, the U.S. Central Command said in a statement on Sunday.

Five others were seriously wounded as part of Operation Epic Fury, it said.

(Reporting by Doina Chiacu; Editing by Paul Simao)