In a veiled attack on Republican White House hopefuls Donald Trump and Ted Cruz, President Barack Obama on Saturday described Muslim-Americans as the "most important partners" in the fight against ISIS and asserted that attempts to stigmatise the community should be rejected. "Our determination to win the battle against ISIl's hateful and violent propaganda — a distorted view of Islam that aims to radicalise young Muslims to their cause," Obama said in his weekly web and radio address to the nation.