Hillary Clinton promised Ukraine's Petro Poroshenko Monday that she would stand with the country against 'Russian aggression.'

The Ukrainian leader and Clinton had an 'in-depth discussion of the crisis' in the country, her campaign said after their meeting, during which they talked also about 'Russia's broader attempts to weaken Europe and destabilize its periphery.'

A readout of the 75-minute meeting from Clinton's team mentioned Russia four times as it remonstrated with Republican Donald Trump's friendly attitude toward the country's foe.

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Hillary Clinton promised Ukraine's Petro Poroshenko Monday that she would stand with the country against 'Russian aggression'

The Ukrainian leader and Clinton had an 'in-depth discussion of the crisis' in the country, her campaign said after their meeting

A readout of the 75-minute meeting from Clinton's team mentioned Russia four times as it remonstrated with Republican Donald Trump's friendly attitude toward the country's foe

'Secretary Clinton stressed her commitment to stand with the government and people of Ukraine in the face of Russian aggression, and discussed ways to help Ukraine strengthen and defend itself,' the statement said.

Clinton likewise 'stressed her commitment to cooperation with our partners and allies to deal with a wide range of challenges, including Russia.

'They discussed implementation of the Minsk agreement, Ukraine's programs on reforms, and ways the US can help support investment in Ukraine,' her campaign said, 'and she outlined her clear-eyed approach to Russia.'

Adding, 'If elected, she looks forward to deepening and intensifying cooperation with Ukraine.'

Clinton routinely berates Trump for pursuing foreign policies that align with the Kremlin's global goals and for asserting in an interview that Russia wouldn't invade Ukraine.

Russian separatists have occupied the Crimean Peninsula for two years now in spite of a peace deal ordering troops out. Poroshenko has blamed the incursion for the economic downturn in his country.

And yet, Trump has been commendatory of Russian President Vladimir Putin, whom he says he admires for his 'very strong control' over his country and high approval ratings within. The Republican White House candidate said this month at a forum that admires Putin more than U.S. President Barack Obama because the Russian autocrat is 'a leader.'

Poroshenko, says he invited both candidates to meet with him during his visit this week to New York but only Clinton accepted.

The former U.S. secretary of state put her familiarity with foreign leaders on display Monday evening as she held talks with several visiting dignitaries.

World leaders are in New York City this week for the United Nations General Assembly. Clinton had meetings with three on the sidelines of the summit.

She sat down with Japanese Prime Minister Shinzo Abe, Egyptian President Abdel Fattah el-Sisi and Poroshenko for back-to-back discussions.

Trump also met with Sisi Monday evening.

Clinton attends a bilateral meeting with Egypt's President Abdel Fattah el-Sisi at the Palace Hotel in New York

Clinton arrives for her meeting with Sisi. Reporters caught but a glimpse of both Clinton's and Trump's meetings with Sisi based on the autocratic government's strict rules

He wouldn't confirm the meeting with Sisi Monday morning but said he made 'a lot of calls' to foreign government, and some were responsive.

The Republican has said he'll work with Sisi, someone he said understands 'this ideology of death that must be extinguished.'

Sisi took power in 2013 in response to protests against elected leader Mohamed Morsi, head of the Muslim Brotherhood.

Morsi was elected after an uprising pushed out Hosni Mubarak, a longtime ally of the U.S. government.

Trump said last year that he would temporarily bar foreign Muslims from entering the United States in response to the country's terror crisis. He's since limited the temporary ban to countries linked to terrorism.

At UNGA two years ago, Sisi's first, the Egyptian president sat down with Clinton and her husband, Bill. Today's meeting was their second one on the edges of the summit.

Reporters caught but a glimpse of both Clinton's and Trump's meetings with Sisi.

The Egyptian leader was speaking when the candidates' travelling press corps entered and reporters were booted by Egyptian officials moments later.

Sisi told Clinton he wanted to speak to her 'about the path that we are taking in order to build up a new civil society, a new modern country that upholds the rule of law, that respects human rights and liberties.

'And as a matter of fact we are taking this path that is eventually leading up to this target,' he stated.

Her campaign said afterward that they had a 'constructive discussion about bilateral ties and cooperation on a wide range of issues, including counterterrorism.'

Trump also met with Sisi Monday evening in New York City on the sidelines of the United Nation General Assembly

Clinton pushed for a tightening of the bond between the U.S. and Egypt and Egypt and Isreal when it comes to fighting ISIS and other terrorist groups.

'Secretary Clinton emphasized the importance of respect for rule of law and human rights to Egypt's future progress,' the readout also said. 'Secretary Clinton called for the release of U.S. citizen Aya Hijazi and raised concerns about prosecution of Egyptian human rights organizations and activists.'

Sagging in the polls fewer than 50 days out from the election, Clinton is eager to remind voters today that she's had to make tough calls from the Situation Room as well as the negotiating table when she served in Obama's cabinet.

She delivered a statement on the attacks over the weekend New York and Minnesota and took questions on her anti-terror strategy before she boarded her campaign plane for Philadelphia late Monday morning and met with visiting heads of state.

The former secretary of state's first sit down this evening was with Abe.

Clinton exited Obama's cabinet soon after Abe was elected in 2013. The Japanese prime minister joined her for a conversation the following fall at the Clinton Global Initiative summit and said today that it was a 'great pleasure' to see her again.

They exchanged compliments at the beginning of the meeting before reporters were sent out of the room, saving a discussion of the South China Sea and the Trans-Pacific Partnership, which Trump and Clinton have both said they'd like to renegotiate, for their private chat.

(L-R) General Michael Flynn,Ret, Senator Jeff Sessions (R-AL), and Republican presidential candidate Donald Trump look on as Egyptian President Abdel Fattah el-Sisi speaks during a meeting at the Palace Hotel in New York on Thursday

Clinton frankly told Poroshenko, whom she worked with as secretary of state for four years, at the beginning of their talk that she would talk to him about 'the very real problems and threats from Russian aggression' and said she was 'anxious to know how we can be supportive of those efforts.'

Trump met with just one foreign leader, sitting with Sisi and five of his advisers after Clinton moved on to Poroshenko.

Journalists were allowed to listen in and take photographs for less than 1 minute while Sisi spoke to the Republican in Arabic.

'All the world is suffering from the crisis of extremist thought,' the Egyptian president told him, according to a Reuters reporter who translated.

A pool reporter watched as Trump nodded along, but noted that he was probably waiting for a translation: Trump had no earpiece to listen to an English-language version of what Sisi was saying.

In a readout provided to the press, the Trump campaign wrote that the businessman 'expressed to President Sisi his strong support for Egypt’s war on terrorism, and how under a Trump Administration, the United States of America will be a loyal friend, not simply an ally, that Egypt can count on in the days and years ahead.'

Clinton sat down with Japanese Prime Minister Shinzo Ab (pictured), Sisi and Poroshenko for back-to-back discussions

Trump took the meeting along with retired U.S. Army Lt. Gen. Mike Flynn and Alabama Senator Jeff Sessions, both of whom have advised him on the nexus between immigration and national security.

Campaign manager Kellyanne Conway and press secretary Hope Hicks waited outside.

Conway told a Bloomberg Politics reporter that she wasn't aware whether Trump and Sisi would discuss the GOP nominee's early dalliance with a 'complete and total ban' on Muslims entering the United States amid a spike in foreign terror attacks.

Trump has since moderated his position, saying he would implement a country-specific policy of 'extreme vetting,' targeting nations where terrorism and other spates of Islamist violence have made entire populations too risky to admit to the U.S.

The readout said Trump 'emphasized to President el-Sisi his high regard for peace-loving Muslims.'