Outrage as schoolchildren sing KKK-themed Christmas tune in front of class

Shocking video showing two US high school students singing a pro-Ku Klux Klan song has sparked outrage.



An investigation is underway after the clip was taken at Dover High School in New Hampshire.



The two are seen singing "KKK, KKK, Let's kill all the blacks" to the tune of "Jingle Bells".



Other lyrics in the offensive song referred to white masks, blood on the ground and laughing until victims die.



Stunned classmate Chloe Harris, who recorded the clip, told NBC Boston: "I went to the teacher.



"I said I'm not really comfortable with these lyrics. I don't know why they need to sing it.