US police have apologized to a citizen of the United Arab Emirates, after mistakenly arresting him under suspicion of links to the Islamic State group.
The UAE's foreign ministry has summoned the US deputy ambassador over the incident, which it calls "abusive treatment."
Emirati national Ahmed Al-Menhali was detained last week at gunpoint after an employee of the hotel he was staying at in Ohio told police she overheard Mr Al-Menhali on the phone, pledging allegiance to ISIS.
After nearly fainting while in handcuffs, police took Al-Menhali to the hospital, later learning the man was visiting the US to undergo medical tests after having a stroke.
During her call to authorities, the hotel employee also noted Al-Menhali was wearing the traditional United Arab Emirates dress of a white robe and headdress - the UAE is now warning its citizens to avoid wearing the attire while in the US for risk of suspicion.
Police in Ohio issued an apology.
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