IVANKA Trump has contradicted her father, US President Donald Trump, by insisting that allowing Syrian refugees to immigrate to America “has to be part of the discussion” over ending Syria’s years old civil war.

“I think there is a global humanitarian crisis that’s happening, and we have to come together, and we have to solve it,” she told NBC News in an interview aired overnight.

President Trump has signed executive orders banning Syrian refugees from entering US territory, saying that they present a national security threat. Federal courts have ruled against the ban, placing it indefinitely on hold.

Opening America’s borders to the refugees “has to be part of the discussion, but that’s not going to be enough in and of itself,” she said.

President Trump has suggested creating “safe zones” for refugees and displaced people in the Middle Eastern country, and launched a cruise missile strike against President Bashar al-Assad’s military in response to an apparent chemical weapons attack.

The Syrian war has triggered the worst humanitarian crisis since the Second World War, with more than 320,000 people killed and millions displaced.

More than five million people — about a quarter of the population — have fled the country.

The first daughter’s comments come a day after she was booed at a summit in Berlin, Germany for saying her father was a “tremendous champion” of women and families.

“I know from personal experience that I think the thousands of women who have worked with and for my father for decades, when he was in the private sector, are testament to his belief and solid conviction in the potential of women and their ability to do the job as well as any man,” she said.

Ms Trump, 35, spoke at the W20 summit alongside German Chancellor Angela Merkel and International Monetary Fund chief Christine Lagarde.