'Mostly peaceful' protesters laugh after SF officer struck by thrown barrier [Vine]

At a Ferguson demonstration in San Francisco, a police officer was hit by a thrown traffic barrier.

Some found it as amusing as those heard laughing in the Vine:

I can't stop watching this. Best vine ever. #SFtoFerguson http://t.co/O8OgOl97SO #FTP

— Cassandra Fairbanks ?✌️ (@CassandraRules) November 29, 2014

@CassandraRules the cop slipping as he tries to chase him makes it even better

— James Dean (@YeaaahAboutThat) November 29, 2014

@CassandraRules OMG I want to make this my animated back ground!!! The guy getting v& totally stuck up for the others – cheers #revolution

— Anon2World ?️?Ⓐ (@Anon2World) November 29, 2014

@Anon2earth it's beautiful and if they catch the person who did this I will fundraise so hard. I love them/this.

— Cassandra Fairbanks ?✌️ (@CassandraRules) November 29, 2014

@CassandraRules same! I'll even donate 😀 and it was perfectly beautiful

— Anon2World ?️?Ⓐ (@Anon2World) November 29, 2014

LMFAOOOOOOOOOOOOOOO GREATNESS RT @YourFavoriteZoe: Protester knocks out cop with barricade #Ferguson https://t.co/O3wT2iAQ2B

— Coop™ (@CityBoiCoop) November 29, 2014

Much of the mainstream media might nevertheless insist on describing that demonstration as “mostly peaceful.”

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Full Twitchy coverage of Ferguson here.