"Swedish Prophet Muhammad cartoonist 'head-butted' "

"A Swedish artist who created an international furore by depicting the Prophet Muhammad as a dog was assaulted as he delivered a university lecture.

Lars Vilks says he was head-butted by an audience member as he spoke about the limits of artistic freedom.

The cartoonist's glasses were broken, but he was not injured.

Mr Vilks has been threatened on numerous occasions, but the assault at Uppsala University was the first time he has been physically attacked."

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