A picture taken on 5 November 2015 during a tour with the Libyan coastguard shows buildings in the Libyan capital Tripoli PHOTO: AFP
The suspect, who has not been named, was detained on November 5 and is being questioned, Siddick al Sour, the head of the prosecutor general's office in Tripoli told AFP.
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He said the UAE national is connected to the police in Dubai and was on his third visit to Libya since 2012.
"He claims to be a businessman and to have no ties to the Dubai police but intelligence agents found pictures on his phone of sensitive locations in Tripoli, including a video of the Turkish embassy."
Libya has had two administrations since August 2014, when a militia alliance overran Tripoli, forcing the internationally recognised government to take refuge in Tobruk, in the far east of the country.
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The authorities in Tripoli accuse the UAE of supporting the internationally recognised government in Libya.
The oil-rich north African country descended into chaos after the fall of Moamer Kadhafi in its 2011 revolution.
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