Wendy's burns Burger King claiming only it offers ‘edible’ food in Twitter clash

US fast food chain Wendy’s clashed with Burger King after the BBQ brand attempted some one-upmanship on social media.

A marketing tweet offering its "4 for $4" meal from Wendy’s sparked a Burger King reaction claiming it’s promotion gives “5 for $4”.

The competitors clashed with Wendy’s choosing to put the matter to rest in a tweet spotted by Mashable.

Social media users gathered around as if they were viewing a playground scuffle.

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