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As Mr. Trump huddled with his military and national security advisers, the U.S. Navy revealed that the USS Donald Cook, a guided-missile destroyer, left the port of Larnacain Cyprus on Monday.
Mr Kinzinger said: "But let us keep in mind that you hear a lot of times, we need to talk about what comes after Assad".
Syria, backed by the Russian air force, has already liberated nearly all Eastern Ghouta and has reached an evacuation deal with the terrorists to leave Douma, their last stronghold in Eastern Ghouta region.
Trump met at the White House with the emir of Qatar, Sheikh Tamim bin Hamad Al Thani, who told reporters that he and Trump "see eye to eye" on the Syria problem.
"We will not allow Iranian entrenchment in Syria no matter the price to pay", he told journalists. White House officials said he was staying in Washington to oversee the USA response to Syria. Trump signaled last month that he wanted a complete withdrawal of US forces in Syria, taking observers by surprise.
Syria's government and its ally Russian Federation have denied the chemical attack took place, but rescuers and medics said that dozens of people, including many women and children, were killed.
Seven nations - including the USA - voted against a Russian resolution that would have set up an investigation overseen by the Security Council.More news: Uber acquires electric bike sharing company Jump
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Syria's conflict erupted with anti-Assad protests in 2011 but has since evolved into a complex war that has killed 350,000 people.
U.S. Ambassador Nikki Haley told the Security Council on Monday that both Russian Federation and Iran could stop the Syrian government's "murderous destruction", adding that Moscow's hands are "covered in the blood of Syrian children".
Meanwhile, the UN Security Council will meet later today to vote on a resolution to set up an inquiry to investigate chemical weapons attacks in Syria.
"History will record this as the moment when the Security Council either discharged its duty or demonstrated its utter and complete failure to protect the people of Syria", she said.
The United States is looking to the UK and France for support as it finalises its response to the assault on the rebel-held town of Douma.
The U.N. Security Council is due to vote on three draft resolutions on chemical weapons attacks in Syria on Tuesday, setting up a showdown between the United States and Russian Federation over how to respond to a reported deadly gas attack last weekend.
That followed comments from Moscow's envoy Vassily Nebenzia, who said Russian experts have already visited the site, collected soil samples, interviewed witnesses and medical personnel, and that no chemical weapons attack had taken place. "Nothing's off the table", he said after condemning Saturday's suspected use of toxic gas.
Shamanov slammed Trump's warning following the alleged attack and said, "They should not pin their hopes on their naval task forces and their deceptions".
The imminent deployment of the OPCW investigators could delay planning for a possible airstrike on Syria by the United States, potentially aided by France and Britain. He declared that Russian Federation or any other nation found to share responsibility for Saturday's apparent chemical weapons attack on civilians will "pay a price".