Disappointed over US President Donald Trump’s order to suspend refugee arrivals from seven Muslim nations, Pakistani student activist and Nobel Peace laureate Malala Yousafzai on Friday urged Trump not to abandon the world's “most defenseless.” The 19-year-old added, “I am heartbroken that America is turning its back on a proud history of welcoming refugees and immigrants, the people who helped build your country, ready to work hard in exchange for a fair chance at a new life.”