The series of bizarre tweets sent out from his account have allegedly led to Spanish authorities taking an interest in whether he broke rules Sevilla midfielder Samir Nasri is under investigation by Spain’s anti-doping agency over a treatment he received at a clinic in the US, according to El Pais . The former Arsenal and Manchester City star caused a scene on Twitter on Tuesday night when he was hacked by someone who claimed he had been offered “sexual services” by a woman working at a Los Angeles clinic he’d visited.