(SANFRANCISCO.CBSLOCAL) — A controversy has been re-ignited this week as ten new ads go up on San Francisco Muni buses containing quotes used by terrorists.

“Killing Jews is worship that draws us closer to Allah,” reads one of the ads, which has people debating the line between free speech and hate speech.

“The purpose of our campaign is to show the reality of Jihad, the root causes of terrorism. Using the exact quotes and text that they use,” said Pamela Geller of the American Freedom Defense Institute.

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