Police arrested the men after it emerged a significant amount of horse meat containing the painkiller "bute" could have been entering the food chain for some time.
Authorities in Britain and France are trying to trace the carcasses of six horses contaminated with bute - which were slaughtered in a UK abattoir and may have entered the human food chain across the Channel.
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More than 120 famed actors and music stars said they are using their "privilege to speak out" to warn of Trump's "real and present threats".
A character is seen carrying a tray of hot drinks before slipping on some paper, with one sheet appearing to be covered with Arabic script.
A historic night in Philadelphia saw mixed emotions as a bitter rivalry was settled before Bill Clinton made his pitch for his wife to lead.