BBC journalist Mark Lobel says he and his crew had been invited to Qatar by the government to see official accommodation for low-paid workers.
Lobel says "while gathering additional material for our report, we ended up being thrown into prison."
Along with a cameraman, translator and driver, Lobel says he was interrogated without being "accused of anything directly."
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Lobel says they were released after two nights in prison and "allowed to join the organized press trip ... as if nothing had happened."
A German TV film crew was arrested in Doha in March.
