Facebook has removed a serious of Donald Trump ads for using a Nazi symbol. (Picture; Reuters)

Facebook has reportedly removed Donald Trump ads containing a Nazi symbol used do designate political prisoners in concentration camps.

The Washington Post reported that Facebook deactivated Trump ads on Thursday that included an inverted red triangle symbol, which was first used in the 1930s to identify Communists and was later used to brand Jewish political prisoners. The removal of the ads reportedly came after a query by The Post.