An explosive blew up in a worker's face at UEFA Euro 2016

Croatia can expect a severe punishment following this terrible act.

Croatia seemed well on its way to a 2-1 victory over the Czech Republic before Croatian fans flooded the pitch with flares and at least one explosive that blew up in the face of a worker.

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Here's the reported reasoning:

https://twitter.com/LTregoures/status/743861696259887104?ref_src=twsrc%5Egoogle%7Ctwcamp%5Eserp%7Ctwgr%5Etweet

Croatia is expected to be disciplined:

We'll have any updates on the proceedings or the worker's status.