French authorities have opened a case against Interpol president Ahmed Nasser al-Raisi of the UAE over accusations of torture and arbitrary detention by two Britons who were detained in the country, a source close to the inquiry told AFP on Wednesday. The case into suspected complicity in torture by the top Emirati official was confirmed by France’s anti-terror prosecutors office (PNAT), which has handed it to an investigating magistrate who will now decide whether to press charges. ‘al-Raisi could potentially be detained for questioning in France if his visits the country. Interpol’s headquar…