"It was some sort of transmitter by all accounts. We're not sure what the device picked up or whom it was transmitting to. But it did leave Paris very jittery," Contactmusic quoted a source as telling Britain's Daily Express newspaper.
"Everyone she has come into contact with during her stay in Dubai has been gracious. We've been told there are some quarters where there is anti-American feeling. "Paris' security has been increased and hotel staff are investigating how the device came to be in her room," the source added.