Nearly half of American children aged under five are from an ethnic minority, according to a new report from the US Census Bureau. The latest figures show 45% of US pre-schoolers are non-white, with the Latino population growing the fastest. Of the overall US population, one-third are now from an ethnic minority. The report comes amid a series of huge immigrant demonstrations protesting against tough anti-immigration measures being considered by the US government. Immigrant increaseIn 2005 the minority population was 98 million, 33% of the 296.4 million people in the US, the census agency said. Latinos are the largest minority,...